These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 18:1 and operate up to 12 volts and deliver a stall torque of 27.3 oz-in. and a max speed of 168 RPM. Each standard gearmotor sports a 6mm diameter D-shaft.

Features

Voltage: 3 - 12 Volts

Gear Ratio: 18:1

Stall Torque: 27.3 oz-in. (@ 12V)

Speed: 168 RPM (@ 12V)

No Load Current: 95 mA (@ 12V)

Stall Current: 0.5A (@ 12V)

Insulation Resistance: 10 MOhm

Dielectric Strength: 300VDC

DC Reversible

Shaft Size: 6mm Diameter x 0.715” Length

Weight: 4.2 oz.

This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is secured with a small phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project.

The leads are about 150mm, and the last 5mm of them are tinned.

Features

67.9 x 32.8 x 18.25mm

Is there anything an Arduino can’t do? Well, for one, most of them can’t be powered directly from a 3.7V LiPo battery; much less charge and monitor that battery. The SparkFun LiPower Shield takes care of this by combining the functionality of two of our favorite battery power boards: the Power Cell and the Fuel Gauge.

The LiPower Shield allows you to connect a 3.7V single cell Lithium polymer battery which it will boost up to 5V and connect to the Arduino board’s 5V pin. The on-board MAX17043G+U IC is connected to the I2C lines (A4 and A5) so that your project can monitor it’s own power supply. The configurable alert interrupt pin on the MAX17043G+U IC is broken out to D2 which will activate when the LiPo gets to 32% or lower.

The charging circuit is configured to charge the LiPo at 100mA but by adding a resistor to the supplied through-holes you can boost this to 500mA. There is a mini-USB port on the shield which allows you to charge the battery from a USB power source or you can supply a separate regulated 5V source on the “charge” header.

Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 6mm (+/- 0.3mm) shaft. The knob slides onto the potentiometer and holds tightly with a strong friction fit.

The main body of these knobs is metal with a plastic insert. The outside is knurled for precise adjustment.

Features

14mm high

24mm diameter

Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 6mm (+/- 0.3mm) shaft. The knob slides onto the potentiometer and holds tightly with a strong friction fit.

The main body of these knobs is metal with a plastic insert. The outside is knurled for precise adjustment.

Features

14mm high

24mm diameter

The WAV Trigger is a unique high-fidelity polyphonic audio player with surprising capabilities. Supporting up to 2048 uncompressed 16-bit, 44.1kHz wav files – the same quality as an audio CD – the WAV Trigger can play and mix up to 14 stereo tracks simultaneously and independently, with very low latency. Tracks can be controlled via 16 programmable trigger inputs, or by using a native serial control protocol or even MIDI.

Trigger inputs can be connected directly to switches and buttons, or to digital outputs from sensors or another microcontroller. Alternate functions can be specified using a free cross-platform GUI application, and allow triggers to play sequential or random tracks, pause and resume groups of tracks and even control volume. An Arduino library allows for complex serial control like real-time mixing, starting multiple tracks in sample-sync and smooth cross-fading between tracks.

On-board sample rate conversion allows for smoothly changing playback speed/pitch from 0.5x to 2x. in real-time.

MIDI allows you to use the WAV Trigger as a polyphonic sampling synthesizer to play your own sounds from any MIDI keyboard controller. MIDI Channels and Note numbers are mapped to track numbers, and MIDI Controllers adjust volume as well as attack and release times. MIDI Program Change is supported to switch between up to 16 banks of 128 sounds. The WAV Trigger audio engine even implements, pitch bending, voice stealing (oldest playing voices are used for new MIDI Notes when all 14 voices are being used), note attack (fade-in), note release (fade-out) and latency averages 8 ms.

The WAV Trigger supports both SDSC (up to 2GB) and SDHC (up to 32GB) type microSD cards.

Check the link in the documents below to keep up with the latest Firmware updates!

Note: This product is a collaboration with Robertsonics. A portion of each sales goes back to them for product support and continued development.

Features

Supports up to 2048 uncompressed 16-bit stereo WAV files at 44.1kHz – CD quality

Polyphonic! Play and mix up to 14 stereo tracks independently and simultaneously

Sample-accurate starting and playback of up to 14 parallel stereo tracks

Trigger-to-sound delay: 8 msecs typ, 12 msecs max

MIDI control: Velocity-sensitive triggering of up to16 banks of 128 tracks

Real-time playback rate control and MIDI Pitch Bend

Pause and resume individual or groups of tracks. Multiple random trigger ranges

True line-level stereo output: 2.1V RMS ground centered, 100dB SNR

On-board mono audio amplifier and speaker connector: 2W into 4 Ohms, 1.25W into 8 Ohms

16 trigger inputs are individually adjustable for contact closure, 3.3V or 5.0V control

Trigger inputs can be individually inverted, and/or set to be edge, latched or level sensitive

Volumes adjustable from +10dB to -70dB in 0.5dB increments

Firmware volume fades (attacks & decays) and cross-fades

A dedicated “Play” status digital output pin

3.3V and 5.0V output pins

Extensive serial control. Arduino library available. Pin compatible with SparkFun FTDI Basic

Using our muscles to control things is the way that most of us are accustomed to doing it. We push buttons, pull levers, move joysticks… but what if we could take the buttons, levers and joysticks out of the equation? This is the MyoWare Muscle Sensor, an Arduino-powered, all-in-one electromyography (EMG) sensor from Advancer Technologies. The MyoWare board acts by measuring the filtered and rectified electrical activity of a muscle; outputting 0-Vs Volts depending the amount of activity in the selected muscle, where Vs signifies the voltage of the power source. It’s that easy: stick on a few electrodes (not included), read the voltage out and flex some muscles!

The MyoWare Muscle Sensor is the latest revision of the Muscle Sensor of old, now with a new wearable design that allows you to attach biomedical sensor pads directly to the board itself getting rid of those pesky cables. This new board also includes a slew of other new features including, single-supply voltage of +3.1V to +5V, RAW EMG output, polarity protected power pins, indicator LEDs, and (finally) an On/Off switch. Additionally, we have developed a few shields (Cable, Power, and Proto) that can attach to the Myoware Muscle Sensor to help increase its versatility and functionality!

Measuring muscle activity by detecting its electric potential, referred to as electromyography (EMG), has traditionally been used for medical research. However, with the advent of ever shrinking yet more powerful microcontrollers and integrated circuits, EMG circuits and sensors have found their way into all kinds of control systems.

Note: Biomedical sensor pads can be found in the Recommended Products section below to be purchased separately.

Get Started with the MyoWare Muscle Sensor Guide

Features

Wearable Design

Single Supply

+2.9V to +5.7V

Polarity reversal protection

+2.9V to +5.7V

Polarity reversal protection

Two Output Modes

EMG Envelope

Raw EMG

EMG Envelope

Raw EMG

Expandable via Shields

LED Indicators

Specially Designed For Microcontrollers

Adjustable Gain

0.82" x 2.06"

This is the PurpleTooth Jamboree a full-function board, designed to provide audio bridge support through the A2DP, HFP, and AVRCP Bluetooth Classic profiles. The module is also dual mode which means it can operate as Bluetooth 2.1 or Bluetooth 4.0 (BLE). It includes circuitry for converting single-ended audio inputs and microphones to balanced inputs for the module, and converting the module’s balanced audio output to an amplified single-ended signal suitable for line-input and headphones. The PurpleTooth also includes buttons for pairing and sending audio commands to remote devices, battery charge circuitry, and six-pin serial headers pinned out for connecting to either FTDI basic boards or boards like the Arduino Pro, Pro Mini, and LilyPad.

Each PurpleTooth Jamboree comes standard with a BC127 Bluetooth module, an extremely competent and easy-to-use dual-mode Bluetooth radio. In command mode, any data coming in on the serial port is treated as commands and will be parsed accordingly by the module’s command interpreter. In data mode, any data arriving over the serial port will be directly piped out over the Bluetooth link, assuming that the module is connected to another device using the Serial Port Protocol.

The PurpleTooth is equipped with one Mic in / LINE in 3.5mm jack (with additional 4-pin through-hole mic adapters), one Headphone / LINE out 3.5mm jack (with additional 4-pin through-hole L/R speaker adapters), seven button volume, track, play and pair control, serial to micro and FTDI support, and a USB micro port for power and updating the firmware (you will need a 5V FTDI for serial commands).

Your 5V system can wield great power with this big, beefy relay board. How does 10A on the NC contacts and 20A on the NO contacts at 220VAC sound? The SparkFun Beefcake Relay Control Kit contains all the parts you need to get your high-power load under control. Only minimal assembly is required!

The heart of the board is a sealed, SPDT 20A/10A Relay. The relay is controlled by 5V logic through a transistor, and an LED tells you when the relay is closed. This is a kit, so it comes as through-hole parts with assembly required, which makes for some nice soldering practice. Screw terminal connectors on either side of the board make it easy to incorporate into your project.

There are some pretty beefy traces connecting the relay to the load pins, but the 3-pin terminals are only rated for 15A max! If you plan on connecting a larger load, you’ll need to solder directly to the board. As always with high current and voltage, play it safe and use your judgment when deciding how much of a load you want to put on a board – in open airflow the PCB can handle the full 20A for a few minutes at a time, but in an enclosed area heat can build up.

Note: Please keep in mind that this board is really meant for someone with experience and good knowledge of electricity. If you’re uncomfortable soldering or dealing with high voltage, please check out the PowerSwitch Tail II. The PowerSwitch Tail II is fully enclosed, making it a lot safer.

Get Started With the Beefcake Hookup & Assembly Guide

Features

Voltage Rating: 220VAC/28VDC

VCC requirements: 4-6V, 150mA capable

SPDT pins exposed (Form C)

14 AWG screw terminals for relay connections.

10 AWG solder lugs for relay connections.

Flyback diode included

Zener recovery diode included (decreases turn-off time)

Heavy 2 oz. copper on PCB

Do you make time to talk to your Arduino? Maybe you should! The EasyVR Shield 3.0 is a voice recognition shield for Arduino boards integrating an EasyVR module. It includes all of the features of the EasyVR module in a shield form factor that simplifies connection to the Arduino main board and PC.

EasyVR 3.0 is a multi-purpose speech recognition module designed to add versatile, robust and cost effective speech and voice recognition capabilities to virtually any application. EasyVR is the third generation version of the successful VRbot module and builds on the features and functionality of its predecessor. In addition to the EasyVR 3.0 features like up to 32 user-defined Speaker Dependent (SD) commands and 26 built-in speaker independent (SI) commands for ready to run basic controls, the shield has an additional audio line-out/headphone jack, and access to the I/O pins of the EasyVR module.

Note: Unlike V2.0, the EasyVR Shield 3.0 does not come preassembled and will require some soldering and assebly before operation.

Features

A selection of 26 built-in Speaker Independent (SI) commands (available in US English, Italian, Japanese, German, Spanish, and French) for ready to run basic controls.

Supports up to 32 user-defined Speaker Dependent (SD) triggers or commands (any language) as well as Voice Passwords.

With the optional Quick T2SI Lite license you can add up to 28 Speaker Independent (SI) Vocabularies, each one with up to 12 SI different commands. Therefore an overall number of up to 336 additional SI commands!

SonicNet to control one or more EasyVR 3.0s wirelesly with sound tokens generated by the module or other sound source

DTMF tone generation

Easy-to-use and simple Graphical User Interface to program Voice Commands to your robot.

Compatible with Arduino boards that have the 1.0 Shield interface (UNO R3) and legacy boards including:

Arduino Duemilanove

Arduino Uno

Arduino Mega

Arduino Leonardo

Arduino Due

Arduino Duemilanove

Arduino Uno

Arduino Mega

Arduino Leonardo

Arduino Due

Module can be used with any host with an UART interface (powered at 3.3V - 5V).

Supports direct connection to the PC on main boards with a separate USB/Serial chip and a special software-driven “bridge” mode on boards with only native USB interface, for easy access by the EasyVR Commander.

Simple and robust serial protocol to access and program the module through the host board.

Make your own sound tables using Sensory QuickSynthesis4 tool.

Supports remapping of serial pins used by the Shield (in SW mode).

The new EasyVR GUI includes a command to process and download custom sound tables to the module (overwriting existing sound table)

Provides a 3.5mm audio output jack suitable for headphones or as a line out

8 ohm speaker output

Access to EasyVR I/O pins

LED to show feedback during recognition tasks

Live message recording and Fast SD/SV recognition

Arduino Libraries provided

The SparkFun H2OhNo! is a water sensor alarm kit that you build yourself. When water is detected across the sense pins an alarm goes off and an LED starts blinking. If you’ve ever had a water heater explode or tried to create submersible electronics you know how important it is to be able to detect when water is around!

Underneath the default function of H2OhNo! is a small but powerful development board for the ATtiny85 microcontroller. The board includes a buzzer, LED, a coin cell battery, and the ability to detect analog and digital sensors. This mixture of parts creates a great low-cost tool to learn how to program and sense things!

This board can be re-programmed to be an Annoy-A-Tron (originally made by Think Geek). Please annoy respectfully, otherwise your board may get demolished.

Note: Please check the hookup guide below for helpful tips and assembly instructions.

Note: Due to the requirements of shipping the battery in this kit, orders may take longer to process and therefore do not qualify for same-day shipping. Additionally, these batteries can not be shipped via Ground or Economy methods to Alaska or Hawaii. Sorry for any inconvenience this may cause.

Get Started with the H2OhNo! Guide

Includes

1x H2OhNo! PCB

1x ATtiny85 (Pre-Programmed)

1x 20mm Coin Cell Battery Holder

1x CR2032 Coin Cell Battery

1x Slide Switch

1x 2kHz Piezo Speaker

1x 8-pin DIP Socket

1x Super Bright Red LED

2x Jumper Wire

1x Capacitor 0.1uF

Features

22.86mm x 52.07mm (0.90" x 2.05")

4-digit 7-segment displays are really neat little devices, it’s a shame that they can be so cumbersome to control. Well we’ve solved that problem by making them a little bit “smarter.” The SparkFun 7-Segment Serial Display combines a classic 4-digit 7-segment display and an ATMega328 microcontroller allowing you to control every segment individually using only a few serial lines.

The Serial 7-Segment Display can be controlled in one of three ways: Serial TTL communication, SPI serial communication or I2C serial. You can even program it for stand-alone operation since the ATMega328 comes pre-loaded with the Arduino bootloader! There is also an FTDI header on board and we’ve provided a hardware profile for the Arduino IDE to make it even easier to program.

We’ve made some layout changes to this design as well which will make it easier to incorporate these into your project. We’ve moved the power and I2C pins to the sides of the board such that you can chain them together in order to display longer strings of digits. We’ve also added mounting holes to the boards so you can mount them on standoffs (no more hot glue!)

Features

4 digit white alpha-numeric display with TTL, SPI or I2C Serial Interface

Display numbers, most letters, and a few special characters

Individual control of decimal points, apostrophe, and colon

Selectable baud rate

Selectable brightness

Baud rate and brightness values retained in non-volatile memory

Individual segment control for each digit

41mm x 23mm (1.6in x 0.9in)

4-digit 7-segment displays are really neat little devices, it’s a shame that they can be so cumbersome to control. Well we’ve solved that problem by making them a little bit “smarter.” The SparkFun 7-Segment Serial Display combines a classic 4-digit 7-segment display and an ATMega328 microcontroller allowing you to control every segment individually using only a few serial lines.

The Serial 7-Segment Display can be controlled in one of three ways: Serial TTL communication, SPI serial communication or I2C serial. You can even program it for stand-alone operation since the ATMega328 comes pre-loaded with the Arduino bootloader! There is also an FTDI header on board and we’ve provided a hardware profile for the Arduino IDE to make it even easier to program.

We’ve made some layout changes to this design as well which will make it easier to incorporate these into your project. We’ve moved the power and I2C pins to the sides of the board such that you can chain them together in order to display longer strings of digits. We’ve also added mounting holes to the boards so you can mount them on standoffs (no more hot glue!)

Replaces:COM-09765

Features

4 digit blue alpha-numeric display with TTL, SPI or I2C Serial Interface

Display numbers, most letters, and a few special characters

Individual control of decimal points, apostrophe, and colon

Selectable baud rate

Selectable brightness

Baud rate and brightness values retained in non-volatile memory

Individual segment control for each digit

41mm x 23mm (1.6in x 0.9in)

4-digit 7-segment displays are really neat little devices, it’s a shame that they can be so cumbersome to control. Well we’ve solved that problem by making them a little bit “smarter.” The SparkFun 7-Segment Serial Display combines a classic 4-digit 7-segment display and an ATMega328 microcontroller allowing you to control every segment individually using only a few serial lines.

The Serial 7-Segment Display can be controlled in one of three ways: Serial TTL communication, SPI serial communication or I2C serial. You can even program it for stand-alone operation since the ATMega328 comes pre-loaded with the Arduino bootloader! There is also an FTDI header on board and we’ve provided a hardware profile for the Arduino IDE to make it even easier to program.

We’ve made some layout changes to this design as well which will make it easier to incorporate these into your project. We’ve moved the power and I2C pins to the sides of the board such that you can chain them together in order to display longer strings of digits. We’ve also added mounting holes to the boards so you can mount them on standoffs (no more hot glue!)

Replaces:COM-09766

Features

4 digit red alpha-numeric display with TTL, SPI or I2C Serial Interface

Display numbers, most letters, and a few special characters

Individual control of decimal points, apostrophe, and colon

Selectable baud rate

Selectable brightness

Baud rate and brightness values retained in non-volatile memory

Individual segment control for each digit

41mm x 23mm (1.6in x 0.9in)

This is not your basic 7-segment display. The Dual 7-Segment Display features two digits with an RGB LED in every single segment! You will now have a small 7-segment LED in your project with a full-color display!

The Dual 7-Segment Display is breadboard friendly and possesses a digit height of 0.56in (14.22mm). The red LEDs have a forward voltage of 2VDC, 2.85VDC for green, and 2.95VDC for blue, with a continuous forward current per segment of 10mA for the red LEDs and 5mA for the green and blue.

Your basic 7-segment LED. Common anode. Two decimal points, but only the one on the right is wired. Digit height is 0.6". Overall height is 1"

So much power and light from such a small package. This 5 pack of “Cool” white 3 Watt aluminum backed PCBs is sure to shed a lot of light on any project you add it to. These LEDs act as any other LED except these little guys require much more power while delivering a light as intense of a thousand suns going super nova (this is an exaggeration but you know what we mean)!

Each LED in the pack sits upon an aluminum backed PCB to help with heat dissipation and emits a cool white light. Additionally, each LED requires a forward voltage of 3.2-3.8V at 750mA.

Note: We like to joke around about super novas and all, but seriously, don’t look directly into the LED.

Features

Forward Voltage: 3.2-3.8V

Forward Current: 750mA

Viewing angle: 125±5 Degrees

Luminous Intensity: 160-240LM

Temperature Color: 6000-7000K

So much power and light from such a small package. This 5 pack of red 3 Watt aluminum backed PCBs is sure to shed a lot of light on any project you add it to. These LEDs act as any other LED except these little guys require much more power while delivering a light as intense of a thousand suns going super nova (this is an exaggeration but you know what we mean)!

Each LED in the pack sits upon an aluminum backed PCB to help with heat dissipation and emits a vibrant red light. Additionally, each LED requires a forward voltage of 2.0-2.8V at 750mA.

Note: We like to joke around about super novas and all, but seriously, don’t look directly into the LED.

Features

Forward Voltage: 2.0-2.8V

Forward Current: 750mA

Viewing angle: 125±5 Degrees

Luminous Intensity: 75-105LM

Wavelength: 620-630nm

These simple switches are the Mechanical Bumper sensor for the SparkFun RedBot, giving you the ability to detect a collision before it really happens. This sensor works by acting as a SPST switch. When the “whisker” bumps into a foreign object it will make contact with a nut next to it, closing the connection and, by default, turning off the motor. By attaching these mechanical bumpers to you robot the whisker will bump something before your robot crashes into it.

The sensor has a 3-pin header which connects directly to the RedBot Mainboard via female to female jumper wires. Use the included RedBot library to make sure your robot never crashes into anything again.

Check out the entire RedBot family of products!

Note: Our RedBot tutorials utilize two of these Mechanical Bumper Sensors. Please take this into consideration before placing your order.

Includes

1x Mechanical Bumper Board

1x Whisker

1x ¾" 4-40 Nylon Standoff

1x 4-40 Hex Nut

3x 3/8" 4-40 Phillips Machine Screw

Features

1.03 x 0.69" (26.27 x 17.67 mm)

This is a heavy duty SPST toggle switch - your basic on/off toggle. Rated for 2A at 250V or 4A at 125V. Includes a face plate and two threaded nuts for mounting. Works great with our missile switch cover.

Features

0.5 x 0.55 x 1.45"

This is a 3-terminal microswitch two pack, each equipped with a 19mm roller lever actuator. This switch has a great ‘clicky’ sound to it with a nice tactile feel and is perfect when used for a slider, 3D printer, or robot project. Each microswitch is rated for 5A at 250VAC.

Housing Dimensions:

19.8 x 15.8 x 10.3 mm

This is a piezoresistive force sensor from Tekscan. The harder you press, the lower the sensor’s resistance. Pressing lightly, the resistance changes from infinite to ~300k. The sensor itself is thin and flexible, but the resistance does not change while being flexed. Resistance changes only when pressure is applied to the round area at the end of the sensor. Used as a presence sensor (someone standing), weight sensor, pressure sensor (impact testing), etc.

The overall length is about 8.5". Sensor comes with 0.1" spaced, reinforced, breadboard friendly connector.

This sensor comes in three flavors. This sensor ranges from 0 to 1lb of pressure.

These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly changes from 100Ohms to 10,000Ohms allowing the user to very accurately calculate the relative position on the strip. Can be used as an accurate positional indicator for CNC head positioning, variable user input (volume level input for example), straight user input (multiple button areas translate to given resistance levels), and many other applications.

Unit comes with adhesive backing. Connector is 0.1" spaced and bread board friendly.

Note: These potentiometers work great with a finger, or stylus.

This is a small force sensitive resistor. It has a 0.16" (4 mm) diameter active sensing area. This FSR from Interlink Electronics will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR, its resistance will be larger than 1MΩ, with full pressure applied the resistance will be 2.5kΩ.

Two pins extend from the bottom of the sensor with 0.1" pitch making it bread board friendly.

These sensors are simple to set up and great for sensing pressure, but they aren’t incredibly accurate. Use them to sense if it’s being squeezed, but you may not want to use it as a scale.

Features

Actuation Force as low as 2 grams

Wide force sensitivity range 0.1N - 10N* Overall length: 1.75"

Overall width: 0.28"

Sensing area: 0.3"\

These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly changes from 100Ohms to 10,000Ohms allowing the user to very accurately calculate the relative position on the strip. Can be used as an accurate positional indicator for CNC head positioning, variable user input (volume level input for example), straight user input (multiple button areas translate to given resistance levels), and many other applications.

Unit comes with adhesive backing. Connector is 0.1" spaced and bread board friendly.

Note: These potentiometers work great with a finger, or stylus. For premium repeatability, the wiper listed below is perfect for machine and object positioning.

This is a piezoresistive force sensor from Tekscan. The harder you press, the lower the sensor’s resistance. Pressing hard, the resistance changes from infinite to ~50k. The sensor itself is thin and flexible, but the resistance does not change while being flexed. Resistance changes only when pressure is applied to the round area at the end of the sensor. Used as a presence sensor (someone standing), weight sensor, pressure sensor (impact testing), etc.

The overall length is about 2.25". The sensor comes with a 0.1" spaced, reinforced, breadboard friendly connector.

This sensor ranges from 0 to 25lbs of pressure.

This is a force sensitive resistor with a round, 0.5" diameter, sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1MΩ. This FSR can sense applied force anywhere in the range of 100g-10kg.

Two pins extend from the bottom of the sensor with 0.1" pitch making it bread board friendly. There is a peel-and-stick rubber backing on the other side of the sensing area to mount the FSR.

These sensors are simple to set up and great for sensing pressure, but they aren’t incredibly accurate. Use them to sense if it’s being squeezed, but you may not want to use it as a scale.

Note: As it states in the Integration Guide, do NOT solder directly to the exposed silver traces. With flexible substrates, the solder joint will not hold and the substrate can easily melt and distort during the soldering. We recommend using a male or female clincher connector instead.

Features

Overall length: 2.375"

Overall width: 0.75"

Sensing diameter: 0.5"

These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly changes from 100Ohms to 10,000Ohms allowing the user to very accurately calculate the relative position on the strip. Can be used as an accurate positional indicator for CNC head positioning, variable user input (volume level input for example), straight user input (multiple button areas translate to given resistance levels), and many other applications.

Unit comes with adhesive backing. Connector is 0.1" spaced and bread board friendly. However the connector does not fit nicely into standard female headers because the pins are too small.

Note: These potentiometers work great with a finger, or stylus.

The SparkFun Touch Potentiometer, or Touch Pot for short, is an intelligent linear capacitive touch sensor that implements potentiometer functionality with 256 positions. It can operate as a peripheral to a computer or embedded microcontroller or in a stand-alone capacity. The Touch Potentiometer provides both a dual-channel analog and PWM output for direct control of other circuitry. Configurable analog and PWM transfer functions support a wide variety of applications such as volume control and LED dimming.

The Touch Potentiometer is controlled by a Microchip PIC16F1829 8-bit micro-controller that provides the host interface, LED control, capacitive sense and peripheral control functions. A built-in low-dropout voltage regulator allows operation over a range of input voltages up to 12V and breadboard friendly connectors make it easy to play with. A desktop application has been created by our collaborator, Dan Julio, that communicates with the Touch Pot over a serial connection. From this utility app you can change configuration settings, alter LED behavior, calibrate the capacitive touch sensor, view current readings in jabber mode, and much more.

Note: This product is a collaboration with danjuliodesigns. A portion of each sales goes back to them for product support and continued development.

Get Started with the SparkFun Touch Potentiometer Guide

Features

Dual host interfaces: Logic-level serial and I2CTM

Dual 8-bit 20 k-ohm 3-terminal digitally controlled variable resistor outputs

PWM output

8 LED display with multiple display modes and intensity levels

Option for interpolated (soft) changes between touches

Configurable touch sensor parameters for a variety of PCB covers

Easily configurable I2C address to allow multiple devices on one bus

Configurable linear or non-linear PWM transfer function

Configurable linear or simulated logarithmic variable resistor transfer function

Variable resistor supports single- or dual-supply operation

Simple register interface with jabber option

Programmable power-on default operation

Built-in calibration procedure

User-accessible EEPROM data storage

Built-in 5V LDO voltage regulator

Through-hole and SMT connectors

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

The GPIO Block is a simple breakout board to bring the GPIO from the Intel® Edison to the user. Bread board friendly, the GPIO Block provides access to all basic GPIO, PWM, and UART2 pins. All GPIO is level shifted to a selectable 3.3v or VSYS. The GPIO add-on also provides access to all three power rails found on the Intel® Edison. 3.3v, 1.8v, VSYS, and GND are accessible for bread board prototyping. Note: Since the level shifting is accomplished through a auto direction sensing translator, driving high current components (Such as Relays, Motors, and high power LED’s) will require an external switch. See the Hookup Guide to learn more.

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

Equip your Edison with a graphic display using the Edison OLED Block! Simply snap this board onto your Edison to gain access to a 0.66", 64x48 pixel monochrome OLED. To add some control over your Edison and the OLED, this board also includes a small joystick and a pair of push-buttons which can be used them to create a game, file navigator, or more!

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

The Battery Block brings a single cell LiPo Charger and 400mAh battery to power an Intel® Edision and expansion blocks. The Battery board can be used with an external battery to increase runtime of your Edison which can be plugged in with a micro USB cable to deliver a 500mA charge current. Additionally, the power switch removes the battery from the Edison while allowing it to charge via the microUSB cable. If you need more battery life, it is possible to gently peel the battery off, de-solder the wires, and replace it with a larger cell. If you remove the battery, it is also possible to expose the expansion header to continue stacking blocks. It may be necessary to find an alternative mounting point for your battery in this case. Go wireless with Edison!

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

Note: This Block requires specific stacking considerations when attaching it to other SparkFun Edison Blocks. Check the Hookup Guide in the Documents section below for more information.

Note: This item may take longer to process due to battery installed in the equipment and therefore does not qualify for same-day shipping policy. Additionally, these batteries can not be shipped via Ground or Economy methods to Alaska or Hawaii. Sorry for any inconvenience this may cause.

Includes

1x Battery Block

1x 400mAh LiPo Battery

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

The Base Block serves as add-on for the Intel® Edison by allowing you to attach different peripherals like a key board, mouse, or thumb drive. Basically anything that can plug into a USB can now connect to your Edison! Equipped with a micro AB USB backed by USB OTG and FT231X respectively, you should have no issues attaching external hardware to your Edison.

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

The 9 Degrees of Freedom Block for the Intel® Edison uses the LSM9DS0 9DOF IMU for full-range motion sensing. This chip combines a 3-axis accelerometer, a 3-axis gyroscope, and a 3-axis magnetometer. By default, the IMU is connected to the Edison through the I2C bus. Each sensor in the LSM9DS0 supports a wide range of, well, ranges: the accelerometer’s scale can be set to ± 2, 4, 6, 8, or 16 g, the gyroscope supports ± 245, 500, and 2000 °/s, and the magnetometer has full-scale ranges of ± 2, 4, 8, or 12 gauss. Additionally, the LSM9DS0 includes an I2C serial bus interface supporting standard and fast mode (100 kHz and 400 kHz) and an SPI serial standard interface.

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

Note: We are currently working on a Hookup Guide for this kit. Check back later for more updates.

Note: While there are jumpers for SPI, it is not supported.

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

This Block adds ADC functionality to the Edison’s I2C bus. The ADS1015 ADC from TI provides a single 12-bit delta-sigma convertor with an analog multiplexer. It can be configured as a four-channel single-ended device or as a two-channel differential device.

The ADC Block has jumpers to allow selection of the I2C slave address among four different options, allowing up to four of these cards to be stacked under one Edison. The sampling rate is not sufficient for audio capture, at 2.2kHz, but it should be adequate for most control applications.

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

This Block adds eight channels of PWM control to the Edison’s I2C bus. While the PWM output can be used for any generic PWM application, it is specifically intended to provide drive control for up to eight standard hobby-type servo motors. To that end, it has an independent input for supply voltage for the servos above the normal range of the Edison, and 8 connections that support the most common pinout of hobby servo motors. The PCA9685 equipped on this board has an independent clock that can be operated at 50Hz, for servo control; at that frequency, the 12-bit resolution of the device provides approximately 200 steps of resolution for a servo motor.

The PCA9685 can be used as an open collector current driver for LEDs up to 25mA as well. Six solder jumpers allow the user to attach up to 63 of these cards to a single Edison, or to adjust the address of the PCA9685 to avoid collision with other addresses on the bus.

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

Note: We are currently working on a Hookup Guide for this kit. Check back later for more updates.

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

The Dual H-bridge Block gives the Edison some ability to move when paired with two DC motors. This board can drive two DC motors at voltages ranging from 2.7V-15V and currents up to 1amp. This board is isolated from the Edison using a logic level converter. To use this board external power for the motors will be required. Power for the motors is supplied on the headers labled “VIN” and “GND”.

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

Since the Edison offers a large number of GPIO and communication bus pins, these pins can be mapped to the exact same footprint as the Raspberry Pi B’s GPIO header. The Pi Block lets you use your existing Raspberry Pi B peripherals and expansion boards with your Edison while still providing level-shifted access to basic GPIO, PWM, UART, I2C, and SPI communication! This block combines the functionality of the GPIO Block and I2C Block with additional features to streamline development.

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

This I2C Block simply breaks out an I2C bus on the Intel® Edison while level shifting it from 1.8V to your sensors voltage. This a simple board that can snap into your Edison and be used right away.

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

The Intel® Edison is an ultra small computing platform that will change the way you look at embedded electronics. Each Edison is packed with a huge amount of tech goodies into a tiny package while still providing the same robust strength of your go-to single board computer. Powered by the Intel® Atom™ SoC dual-core CPU and including an integrated WiFi, Bluetooth LE, and a 70-pin connector to attach a veritable slew of shield-like “Blocks” which can be stacked on top of each other. It’s no wonder how this little guy is lowering the barrier of entry on the world of electronics!

The Console UART Block delivers power to the Intel® Edison while providing a simple console interface via a FTDI cable. This is the most minimal solution to get started using the Intel® Edison. This board can supply 4V and up to 500mA of current to power the Edison passed through it’s VSYS line and any other expansion boards you may add to your stack. This is a great board for low power applications that won’t require constant console access. By removing the FTDI USB-UART from the board, current consumption is minimal. When the FTDI cable is not inserted, it will be necessary to provide external power to the board.

If you are looking to add a little more stability to your Intel® Edison stack, check out this Hardware Pack. It will provide you with increased mechanical strength for stacking Blocks on your Edison!

Note: The 3.3V FTDI breakout will NOT work with this block, but the 5V version will.

This is a very simple board that takes a 6-12V input voltage and outputs a selectable 5V or 3.3V regulated voltage. All headers are 0.1" pitch for simple insertion into a breadboard.

Input power can be supplied to either the DC barrel jack or the two pin header labeled + and -. Output power is supplied to the pins labeled GND and VCC. Board has both an On/Off switch and a voltage select switch (3.3V/5V).

The two sets of four GND and VCC holes are spaced such that when connected to our Basic Breadboard both power busses will be powered.

Note: Headers are not supplied. You will need to supply your own headers to connect this board to a breadboard. Check below for some breakaway header strips.

Features

6-12V input voltage via barrel jack or 2-pin header

3.3V or 5V regulated output voltage

800mA Operating Current

ON/OFF switch

Output voltage select switch

Power status LED

PTC fuse protected power

5.5x2.1mm center positive barrel jack

2.15x0.65"

This is a simple board that no one really needs but it sure comes in handy. If you’ve ever tried to hook up an FTDI to something only to realize you need to swap the TX and RX, maybe you could use this board. Sure, you can grab some jumper wires and make your own, but this little crossover board makes it much easier.

The board has a set of headers going in and a set going out. The TX and RX lines are swapped so you can connect it to a Bluetooth Mate and configure it without having to swap the pins coming from your FTDI.

The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice versa (TX and RX). This will allow a microcontroller to communicate with a computer. Shifter SMD is powered from the target application and can run at any voltage! That’s right - power the board at 5V and the unit will convert RS232 to 5V TTL. Power the board at 2.8V and the Shifter board will convert RS232 to 2.8V CMOS TTL. Includes two indicator LEDs for TX and RX. Runs from 300bps up to 115200bps.

This version comes with no DB9 connector attached. Useful for field installations and projects where RS232 serial is coming from something other than a DB9 cable.

Features

1.2x1.1"

This is the newest revision of our FTDI Basic. We now use a SMD 6-pin header on the bottom, which makes it smaller and more compact. Functionality has remained the same.

This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 5V Arduino boards. It can also be used for general serial applications. The major difference with this board is that it brings out the DTR pin as opposed to the RTS pin of the FTDI cable. The DTR pin allows an Arduino target to auto-reset when a new Sketch is downloaded. This is a really nice feature to have and allows a sketch to be downloaded without having to hit the reset button. This board will auto reset any Arduino board that has the reset pin brought out to a 6-pin connector.

The pins labeled BLK and GRN correspond to the colored wires on the FTDI cable. The black wire on the FTDI cable is GND, green is CTS. Use these BLK and GRN pins to align the FTDI basic board with your Arduino target.

This board has TX and RX LEDs that make it a bit better to use over the FTDI cable. You can actually see serial traffic on the LEDs to verify if the board is working.

This board was designed to decrease the cost of Arduino development and increase ease of use (the auto-reset feature rocks!). Our Arduino Pro boards and LilyPads use this type of connector.

One of the nice features of this board is a jumper on the back of the board that allows the board to be configured to either 3.3V or 5V (both power output and IO level). This board ship default to 5V, but you can cut the default trace and add a solder jumper if you need to switch to 3.3V.

Note: We know a lot of you prefer microUSB over miniUSB. Never fear, we’ve got you covered! Check out our FT231X Breakout for your micro FTDI needs!

This is the newest revision of our FTDI Basic. We now use a SMD 6-pin header on the bottom, which makes it smaller and more compact. Functionality has remained the same.

This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 3.3V Arduino boards. It can also be used for general serial applications. The major difference with this board is that it brings out the DTR pin as opposed to the RTS pin of the FTDI cable. The DTR pin allows an Arduino target to auto-reset when a new Sketch is downloaded. This is a really nice feature to have and allows a sketch to be downloaded without having to hit the reset button. This board will auto reset any Arduino board that has the reset pin brought out to a 6-pin connector.

The pins labeled BLK and GRN correspond to the colored wires on the FTDI cable. The black wire on the FTDI cable is GND, green is DTR. Use these BLK and GRN pins to align the FTDI basic board with your Arduino target.

There are pros and cons to the FTDI Cable vs the FTDI Basic. This board has TX and RX LEDs that allow you to actually see serial traffic on the LEDs to verify if the board is working, but this board requires a Mini-B cable. The FTDI Cable is well protected against the elements, but is large and cannot be embedded into a project as easily. The FTDI Basic uses DTR to cause a hardware reset where the FTDI cable uses the RTS signal.

This board was designed to decrease the cost of Arduino development and increase ease of use (the auto-reset feature rocks!). Our Arduino Pro and LilyPad boards use this type of connector.

Note: We know a lot of you prefer microUSB over miniUSB. Never fear, we’ve got you covered! Check out our FT231X Breakout for your micro FTDI needs!

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun USB LiPo Charger is a basic charging circuit that allows you to charge 3.7V LiPo cells at a rate of 500mA or 100mA. It is designed to charge single-cell Li-Ion or Li-Polymer batteries.

The board incorporates a charging circuit, status LED, selectable solder jumper for 500mA or 100mA charging current, external LED footprint, USB input, two pre-installed JST connectors for SYS OUT and BATT IN, and (back by popular demand) a barrel jack connector.

There is also a ‘SYS OUT’ with a pre-installed JST connector which allows you to connect the charging circuit directly to your project so you don’t need to disconnect the charger each time you want to use it.

This is the SparkFun MOSFET Power Control Kit, a breakout PTH soldering kit for for the RFP30N06LE N-Channel MOSFET. This kit is extremely simple to assemble with only 10 pins to solder. If you are looking for a little more control over projects that require a little more power than normal but need a better way than your breadboard, this kit is perfect for you

Included in each kit is a SparkFun MOSFET Power Control PCB, two screw terminals (one 2-pin and one 3-pin), a 10k resistor, and a single RFP30N06LE MOSFET. What we really like about this particular MOSFET is that it’s very common and offers very low on-resistance with a control (gate) voltage that is compatible with any 3-5V microcontroller or mechanical switch. This allows you to control high-power devices with very low-power control mechanisms.

Note: While the MOSFET is rated to 60V 30A, the circuit board traces are only rated to 3.5A.

Includes

1x SparkFun MOSFET Power Control PCB

1x RFP30N06LE MOSFET

1x 2-pin screw terminal

1x 3-pin screw terminal

1x 10k resistor

The Teensy is an amazing development platform that allows you to get more computing power than an Arduino Uno, and in less space. The Teensy 3.1 XBee Adapter allows you to connect your Teensy with the tried and true XBee series to provide you with a great solution to any project that requires a decently ranged no-frills wireless serial link.

Not only does the Teensy 3.1 XBee Adapter connect a XBee and Teensy together, it also acts as a breakout board for both. Each pin on the Teensy and XBee has been broken out to standard 0.1" spaced through-hole soldering points that allow you to connect any additional parts that you would like to incorporate with the adapter.

Though the adapter design interfaces best with the Teensy 3.1, the Teensy LC can be utilized as well. Paired with the XBee you can get a great long distance serial connection, and with the 72MHz of processing speed (48MHz for the Teensy-LC) you can do a lot with the information.

Note: The only headers pre-soldered onto this board as the ones designed to attach your XBee. Additional headers and wires to hook up your Teensy, breadboard, additional circuits, etc will need to be purchased separately.

TRRS connectors are the audio-style connectors that you see on some phones, MP3 players and development boards. TRRS stands for “Tip, Ring, Ring, Sleeve,” which reflects the fact that, unlike a standard stereo connector, this actually has three conductors and a ground. Some devices use the extra conductor for a microphone (like hands-free headsets) or to carry a video signal (like in some MP3/MP4 players). This breakout board makes it easy to add a TRRS jack to your prototype or project by breaking out each conductor to a standard 0.1" spaced header.

The SparkFun OpenLog is an open source data logger that works over a simple serial connection and supports microSD cards up to 64GB. The OpenLog can store or “log” huge amounts of serial data and act as a black box of sorts to store all the serial data that your project generates, for scientific or debugging purposes.

The SparkFun OpenLog runs on an onboard ATmega328, running at 16MHz thanks to the onboard crystal. The OpenLog draws 6mA when recording a 512 byte buffer, but as that process takes a fraction of a second, the average current draw is closer to 5mA. Keep in mind though that if you are recording a constant data stream at 115200bps, you will approach that 6mA limit. All data logged by the OpenLog is stored on the microSD card that involve the features of 64MB to 64GB capacity and FAT16 or FAT32 file type.

Features

VCC Input: 3.3V-12V (Recommended 3.3V-5V)

Log to low-cost microSD FAT16/32 cards up to 64GB

Simple command interface

Configurable baud rates (up to 115200bps)

Preprogrammed ATmega328 and bootloader

Four SPI pogo pins

Two LEDs indicate writing status

2mA idle, 6mA at maximum recording rate

This is a breakout board for the WS2812B RGB LED. The WS2812B (or “NeoPixel”) is actually an RGB LED with a WS2811 built right into the LED! All the necessary pins are broken out to 0.1" spaced headers for easy bread-boarding. Several of these breakouts can even be chained together to form a display or an addressable string.

Life has its ups and downs, so why not measure them? The MPL3115A2 is a MEMS pressure sensor that provides Altitude data to within 30cm (with oversampling enabled). The sensor outputs are digitized by a high resolution 24-bit ADC and transmitted over I2C, meaning it’s easy to interface with most controllers. Pressure output can be resolved with output in fractions of a Pascal, and Altitude can be resolved in fractions of a meter. The device also provides 12-bit temperature measurements in degrees Celsius.

This breakout board makes it easy to prototype using this tiny device by breaking out the necessary pins to a standard 0.1" spaced header. The board also has all of the passive components needed to get the device functioning, so you can simply connect it to something that talks I2C and get to work!

Features

1.95V to 3.6V Supply Voltage, internally regulated by LDO

1.6V to 3.6V Digital Interface Supply Voltage

Fully Compensated internally

Direct Reading, Compensated

Pressure: 20-bit measurement (Pascals)

Altitude: 20-bit measurement (meters)

Temperature: 12-bit measurement (degrees Celsius)

Pressure: 20-bit measurement (Pascals)

Altitude: 20-bit measurement (meters)

Temperature: 12-bit measurement (degrees Celsius)

Programmable Events

Autonomous Data Acquisition

Resolution down to 1 ft. / 30 cm

32 Sample FIFO

Ability to log data up to 12 days using the FIFO

1 second to 9 hour data acquisition rate

I2C digital output interface (operates up to 400 kHz)

The SparkFun BME280 Atmospheric Sensor Breakout is the easy way to measure barometric pressure, humidity, and temperature readings all without taking up too much space. Basically, anything you need to know about atmospheric conditions you can find out from this tiny breakout. The BME280 Breakout has been design to be used in indoor/outdoor navigation, weather forecasting, home automation, and even personal health and wellness monitoring.

The on-board BME280 sensor measures atmospheric pressure from 30kPa to 110kPa as well as relative humidity and temperature. The breakout provides a 3.3V SPI interface, a 5V tolerant I2C interface (with pull-up resistors to 3.3V), takes measurements at less than 1mA and idles less than 5µA. The BME280 Breakout board has 10 pins, but no more than six are used at a single time. The left side of the board provide power, ground, and I2C pins. The remaining pins which provide SPI functionality and have another power and ground, are broken out on the other side.

Note: The breakout does NOT have headers installed and will need to purchased and soldered on yourself. Check the Recommended Products section below for the type of headers we use in the Hookup Guide!

Features

Operation Voltage: 3.3V

I2C & SPI Communications Interface

Temp Range: -40C to 85C

Humidity Range: 0 - 100% RH, =-3% from 20-80%

Pressure Range: 30,000Pa to 110,000Pa, relative accuracy of 12Pa, absolute accuracy of 100Pa

Altitude Range: 0 to 30,000 ft (9.2 km), relative accuracy of 3.3 ft (1 m) at sea level, 6.6 (2 m) at 30,000 ft.

Incredibly Small

This is a very small infrared receiver based on the TSOP85 receiver from Vishay. This receiver has all the filtering and 38kHz demodulation built into the unit. Simply point a IR remote at the receiver, hit a button, and you’ll see a stream of 1s and 0s out of the data pin.

This is the SparkFun RGB and Gesture Sensor, a small breakout board with a built in APDS-9960 sensor that offers ambient light and color measuring, proximity detection, and touchless gesture sensing. With this RGB and Gesture Sensor you will be able to control a computer, microcontroller, robot, and more with a simple swipe of your hand! This is, in fact, the same sensor that the Samsung Galaxy S5 uses and is probably one of the best gesture sensors on the market for the price.

The APDS-9960 is a serious little piece of hardware with built in UV and IR blocking filters, four separate diodes sensitive to different directions, and an I2C compatible interface. For your convenience we have broken out the following pins: VL (optional power to IR LED), GND (Ground), VCC (power to APDS-9960 sensor), SDA (I2C data), SCL (I2C clock), and INT (interrupt). Each APDS-9960 also has a detection range of 4 to 8 inches (10 to 20 cm).

Features

Operational Voltage: 3.3V

Ambient Light & RGB Color Sensing

Proximity Sensing

Gesture Detection

Operating Range: 4-8in (10-20cm)

I2C Interface (I2C Address: 0x39)

The SparkFun Soil Moisture Sensor is a simple breakout for measuring the moisture in soil and similar materials. The soil moisture sensor is pretty straight forward to use. The two large exposed pads function as probes for the sensor, together acting as a variable resistor. The more water that is in the soil means the better the conductivity between the pads will be and will result in a lower resistance, and a higher SIG out.

To get the SparkFun Soil Moisture Sensor functioning all you will need is to connect the VCC and GND pins to your Arduino-based device (or compatible development board) and you will receive a SIG out which will depend on the amount of water in the soil. One commonly known issue with soil moisture senors is their short lifespan when exposed to a moist environment. To combat this, we’ve had the PCB coated in Gold Finishing (ENIG or Electroless Nickel Immersion Gold). We recommend either a simple 3-pin screw pin terminal or a 3-pin jumper wire assembly (both can be found in the Recommended Products section below) to be soldered onto the sensor for easy wiring.

Note: Check the Hookup Guide below for assembly and weatherproofing instructions as well as a simple example project that you can put to together yourself!

Get Started with the Soil Moisture Sensor Guide

The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for build a weather stations or humidor control system. All you need are two lines for I2C communication, and you’ll have relative humidity readings and very accurate temperature readings as a bonus!

There are only four pins that need to be hooked up in order to start using this sensor in a project. One for VCC, one for GND, and two data lines for I2C communication. This breakout board has built-in 4.7KΩ pullup resistors for I2C communications. If you’re hooking up multiple I2C devices on the same bus, you may want to disable these resistors.

Features

0.6" x 0.6"

The SHT15 Breakout is an easy to use, highly accurate, digital temperature and humidity sensor. This board has been fully calibrated and offers high precision and excellent long-term stability at low cost. The digital CMOSens® technology integrates two sensors and readout circuitry on one single chip. All you need is two lines for 2-wire communication, and you’ll have relative humidity and temperature readings to help you sense the world around you!

The two sensors built into the SHT15 have been seamlessly coupled to a 14bit analog to digital converter and a serial interface circuit resulting in superior signal quality, fast response time, and a strong resistance to external disturbances. Additionally, the on board SHT15 features a 0-100% RH measurement range with a temperature accuracy of +/- 0.3°C @ 25°C. There are only four pins that need to be hooked up in order to start using this sensor in a project. One for VCC, one for GND, and the two data lines SDA and SCL.

Features

Operating Voltages: 2.4V min - 5.5V max

2 factory calibrated sensors for relative humidity & temperature

Digital 2-wire interface (Not I2C, but similar)

Measurement range: 0-100% RH

Absolute RH accuracy: +/- 2% RH (10…90% RH)

Repeatability RH: +/- 0.1% RH

Temp. accuracy: +/- 0.3°C @ 25°C

Precise dewpoint calculation possible

Fast response time

Low power consumption (typ. 30 µW)

This is the SparkFun “Time-of-Flight” Range Finder, a sensor board for the VL6180 distance sensor. Unlike most distance sensors that rely on reflected light intensity or reflected angles to determine range, the VL6180 uses a precise clock to measure the time it takes light to bounce back from a surface. This affords the ToF Range Finder and VL6180 a great benefit over other methods because it can be much more accurate and more immune to noise. Does this technology sound familiar? Well it should, it’s the same means cellphones use to detect when the caller is holding their phone to their ear.

The VL6180 is actually a 3-in-1 package that combines an IR emitter, a range sensor, and an ambient light sensor together for you to easily use and communicate with via an I2C interface. The ToF Range Finder is very similar to its breakout cousin with a few important differences. What sets this board apart is this sensor is equipped with an on-board 2.8V regulator, which means if you were to plug in a voltage higher than 2.8V it will be shifted down without worry of damaging your board! Another thing to note is the form factor of the sensor itself. Many small robotics platforms have integrated hole patterns for the long time favorite Sharp IR sensor line. This allows the VL6180 Sensor to be a near drop-in replacement for most Sharp sensors.

Note: Though the datasheet states the VL6180 measures an absolute range of up to 10cm, we have successfully tested it up to 25cm. The more you know.

Features

2.8V Regulator - Provides the required 2.8V for the sensor

I2C Level Shifter - Provides logic level conversion from 2.8V to VCC

3-in-1 Module

IR Emitter

Range Sensor

Ambient Light Sensor

IR Emitter

Range Sensor

Ambient Light Sensor

Measures absolute range up to 10cm

Gesture Recognition

I2C Interface

Two Programmable GPIO

Sharp Sensor Board Layout

The SparkFun XBee Explorer Regulated takes care of the 3.3V regulation, signal conditioning, and basic activity indicators (Power, RSSI and DIN/DOUT activity LEDs). It translates the 5V serial signals to 3.3V so that you can connect a 5V (down to 3.3V) system to any XBee module. The board was conveniently designed to mate directly with the SparkFun Arduino Pro series of boards for wireless bootloading and USB based configuration.

This unit works with all XBee modules including the Series 1 and 2, standard and Pro versions. Plug an XBee into this breakout and you will have direct access to the serial and programming pins on the XBee unit and will be able to power the XBee with 5V.

This board comes fully populated with 3.3V regulator (5V max input), XBee socket, four status LEDs, and level shifting. In the latest revision the diode level shifter is replaced with a more robust MOSFET level shifter. This board does not include and XBee module. XBee modules sold below.

This is the FemtoBuck, a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a single high-power channel of LEDs from 0-350mA at up to 36V while the dimming control can be either accessed via PWM or analog signal from 0-2.5V. This board is based off of the PicoBuck LED Driver, developed in collaboration with Ethan Zonca, except instead of blending three different LEDs on three different channels the FemtoBuck controls just one.

For the FemtoBuck, we’ve increased the voltage ratings on the parts to allow the input voltage to cover the full 36V range of the AL8805 driver. Since the FemtoBuck is a constant current driver, the current drawn from the supply will drop as supply voltage rises. In general, efficiency of the FemtoBuck is around 95%, depending on the input voltage. On board each FemtoBuck you will find two inputs for both power input and dimming control pins and an area to install a 3.5mm screw terminal. Finally at either side of the board you will find small indents or “ears” which will allow you to use a zip tie to secure the wires to the board after soldering them down. This version of the FemtoBuck is equipped with a small solder jumper that can be closed with a glob of solder to double the output current from 330mA to 660mA.

It’s blue! It’s thin! It’s the Arduino Pro Mini! SparkFun’s minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader. Arduino Pro Mini does not come with connectors populated so that you can solder in any connector or wire with any orientation you need. We recommend first time Arduino users start with the Uno R3. It’s a great board that will get you up and running quickly. The Arduino Pro series is meant for users that understand the limitations of system voltage (5V), lack of connectors, and USB off board.

We really wanted to minimize the cost of an Arduino. In order to accomplish this we used all SMD components, made it two layer, etc. This board connects directly to the FTDI Basic Breakout board and supports auto-reset. The Arduino Pro Mini also works with the FTDI cable but the FTDI cable does not bring out the DTR pin so the auto-reset feature will not work. There is a voltage regulator on board so it can accept voltage up to 12VDC. If you’re supplying unregulated power to the board, be sure to connect to the “RAW” pin and not VCC.

The latest and greatest version of this board breaks out the ADC6 and ADC7 pins as well as adds footprints for optional I2C pull-up resistors! We also took the opportunity to slap it with the OSHW logo.

Note: A portion of this sale is given back to Arduino LLC to help fund continued development of new tools and new IDE features.

Features

ATmega328 running at 16MHz with external resonator (0.5% tolerance)

0.8mm Thin PCB

USB connection off board

Supports auto-reset

5V regulator

Max 150mA output

Over current protected

Weighs less than 2 grams!

DC input 5V up to 12V

On board Power and Status LEDs

Analog Pins: 8

Digital I/Os: 14

0.7x1.3" (18x33mm)

The SparkFun ESP8266 Thing is a breakout and development board for the ESP8266 WiFi SoC – a leading platform for Internet of Things (IoT) or WiFi-related projects. The Thing is low-cost and easy to use, and Arduino IDE integration can be achieved in just a few steps. We’ve made the ESP8266 easy to use by breaking out all of the module’s pins, adding a LiPo charger, power supply, and all of the other supporting circuitry it requires.

Why the name? We lovingly call it the “Thing” due to it being the perfect foundation for your Internet of Things project. The Thing does everything from turning on an LED to posting data with datastream, and can be programmed just like any microcontroller. You can even program the Thing through the Arduino IDE by installing the ESP8266 Arduino addon.

The SparkFun ESP8266 Thing is a relatively simple board. The pins are broken out to two parallel, breadboard-compatible rows. USB and LiPo connectors at the top of the board provide power – controlled by the nearby ON/OFF switch. LEDs towards the inside of the board indicate power, charge, and status of the IC. The ESP8266’s maximum voltage is 3.6V, so the Thing has an onboard 3.3V regulator to deliver a safe, consistent voltage to the IC. That means the ESP8266’s I/O pins also run at 3.3V, you’ll need to level shift any 5V signals running into the IC. A 3.3V FTDI Basic is required to program the SparkFun ESP8266 Thing, but other serial converters with 3.3V I/O levels should work just fine as well. The converter does need a DTR line in addition to the RX and TX pins.

Get Started with the ESP8266 Thing Guide

Features

All module pins broken out

On-board LiPo charger/power supply

802.11 b/g/n

Wi-Fi Direct (P2P), soft-AP

Integrated TCP/IP protocol stack

Integrated TR switch, balun, LNA, power amplifier and matching network

Integrated PLLs, regulators, DCXO and power management units

Integrated low power 32-bit CPU could be used as application processor

+19.5dBm output power in 802.11b mode

This tiny audio amplifier is based on the Texas Instruments TPA2005D1. Its efficient class-D operation means low heat and long battery life. It can drive an 8-Ohm speaker at up to 1.4 Watts; it won’t shake a stadium, but it will provide plenty of volume for your audio projects.

The fully-differential inputs are safe for floating audio signals such as from our MP3 Shield, and can also be connected to ground-referenced signals as well. A shutdown input is provided to save power when the amplifier is not being used, and a solder jumper and header are provided to connect a volume-control potentiometer (not included).

Note: The amplifier’s class-D design outputs a 250kHz PWM-like signal that is restored to an analog voltage in the speaker’s coil. This is what makes the amplifier so efficient, but because of the switching frequency, you should keep the amplifier as close to the speaker as possible to minimize possible interference.

Features

Extremely efficient class-D amplifier

1.4W into 8 Ohms

2.5V to 5.5V supply

Fully differential audio inputs, can be ground-referenced as well

Shutdown input with pullup and LED-follows-shutdown circuitry

PTH pads provided to change gain resistors if desired (see datasheet for details)

Solder jumper and header allow addition of a 10k volume control potentiometer (not included)

This tiny breakout board features the ADMP401 MEMS microphone. One of the key advantages to this breakout and microphone is the bottom ported input. This means the microphone’s input can fit flush against the enclosure of your project. Plus you will not have to deal with trying to solder the microphone’s wacky footprint. Wootness!

The amplifier on the breakout has a gain of 67 and more than meets the bandwidth requirements of the mic. The amplifier’s AUD output will float at one half Vcc when no sound is being picked up. The amplifier produces a peak-to-peak output of about 200mV when the microphone is held at arms length and is being talked into at normal conversational volume levels. So the AUD output can easily be connected to the ADC of a micro.

Get Started with the ADMP401 Breakout Guide

Features

-3dB roll off at 100Hz and 15kHz

1.5 to 3.3VDC supply voltage

Should comfortably output 40mW

SNR of -62dBA

The SparkFun Sound Detector is a small and very easy to use audio sensing board with three different outputs. The Sound Detector not only provides an audio output, but also a binary indication of the presence of sound, and an analog representation of its amplitude. The 3 outputs are simultaneous and independent, so you can use as many or as few as you want at once.

The envelope output allows you to easily read amplitude of sound by simply measuring the analog voltage. Gain can be adjusted with a through-hole resistor, to change the threshold of the binary (gate) output pin as well. Check the hookup guide below for more information about setting gain.

Each of the three output signals is present on the .1" pin-out at the edge of the board. They are active simultaneously. If you aren’t using one in your particular application, simply leave that pin disconnected.

Get Started with the SparkFun Sound Detector Guide

The SparkFun MP3 Player Shield is an awesome MP3 decoder with the capabilities of storing music files onto a run-of-the-mill microSD card, thus giving you the ability toadd music or sound effects to any project. With this board you can pull MP3 files from an microSD card and play them using only one shield, effectively turning any Arduino into a fully functional stand-alone MP3 player! The MP3 Shield utilizes the VS1053B MP3 audio decoder IC to decode audio files. The VS1053 is also capable of decoding Ogg Vorbis/MP3/AAC/WMA/MIDI audio and encoding IMA ADPCM and user-loadable Ogg Vorbis.

The VS1053 receives its input bitstream through a serial input bus (SPI). After the stream has been decoded by the IC, the audio is sent out to both a 3.5mm stereo headphone jack, as well as a 2-pin 0.1" pitch header.

This shield comes populated with all components as shown in the images and schematic; but it does not come with headers installed. We recommend the Arduino R3 Stackable Header Kit.

Features

3.5mm audio out jack

0.1" spaced header for speaker out

microSD card slot

The SparkFun MIDI Shield board gives your Arduino-based device access to the antiquated, but still widely used and well supported MIDI communication protocol, so you can control synthesizers, sequencers, and other musical devices. The MIDI protocol shares many similarities with standard asynchronous serial interfaces, so you can use the UART pins of your Arduino to send and receive MIDI’s event messages.

The SparkFun MIDI Shield provides an opto-isolated MIDI-IN port as well as a MIDI-OUT port. The MIDI Shield can be mounted directly on top of an Arduino, connecting the MIDI-IN to the Arduino’s hardware RX pin and the MIDI-OUT to TX. Potentiometers are connected to analog pins 1 and 2, and can be used to control volume, pitch, tone or anything else you’d like. The shield also comes with three momentary push buttons, a reset button, and green and red stat LEDs. The RUN/PROG switch allows you to program the Arduino over serial without having to remove the shield.

This revision of the SparkFun MIDI Shield also adds several configurable features, such as converting the MIDI output to a MIDI thru, and the option to use a software serial port for MIDI, leaving the hardware serial for programming and debugging. It also buffers the output, making it compatible with the Arduino Pro without needing to circumvent the protection resistors on the serial TX and RX lines.

Note: The MIDI Shield does not come with all parts soldered on. Two MIDI connectors, two trimpots, and three pushbuttons are included with the product and will need to be attached by the end user.

Includes

SparkFun MIDI Shield PCB

2x 5-pin DIN conectors

2x 10K rotary potentiometer

3x 12mm tactile pushbutton switches

This is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple music or user interfaces.

This is not a true piezoelectric speaker but behaves similarly. Instead of a piezoelectric crystal that vibrates with an electric current, this tiny speaker uses an electromagnet to drive a thin metal sheet. That means you need to use some form of alternating current to get sound. The good news is that this speaker is tuned to respond best with a square wave (e.g. from a microcontroller).

This is a simple breakout board for the popular XBee product from Digi. This board breaks out all 20 pins of the XBee to a 0.1" standard spacing dual row header. The spacing between 0.1" headers is 0.5" making it breadboard DIP friendly. We highly recommend using the female sockets to avoid having to solder the XBee permanently to the breakout board. This is the PCB only. Please order the accompanying 2mm sockets (you’ll need 2!) and 0.1" headers below.

This is a simple to use, USB to serial base unit for the Digi XBee line. This unit works with all XBee modules including the Series 1 and Series 2.5, standard and Pro version. Plug the unit into the XBee Explorer, attach a mini USB cable, and you will have direct access to the serial and programming pins on the XBee unit.

The highlight of this board is an FT231X USB-to-Serial converter. That’s what translates data between your computer and the XBee. There’s also a reset button, and a voltage regulator to supply the XBee with plenty of power. In addition, there are four LEDs that’ll help if you ever need to debug your XBee: RX, TX, RSSI (signal-strength indicator), and power indicator.

This board also breaks out each of the XBee’s I/O pins to a pair of breadboard-compatible headers. So if you want to make use of the XBee’s extended functionality, you can solder some header pins into those, or even just solder some wire.

Not sure which XBee module or accessory is right for you? Check out our XBee Buying Guide!

Note: There is no XBee included with this Explorer USB. Check the Recommended Products section below for different options.

This is the XBee WiFi Module with PCB Antenna from Digi. XBee WiFi embedded RF modules provide simple serial to IEEE 802.11 connectivity. By bridging the low-power/low-cost requirements of wireless device networking with the proven infrastructure of 802.11, the XBee WiFi creates new wireless opportunities for energy management, process and factory automation, wireless sensor networks, intelligent asset management and more. Focused on the rigorous requirements of these wireless device networks, the module gives developers IP-to-device and device-to-cloud capability.

XBee modules offer developers tremendous flexibility and are available in surface mount and through-hole form factors. The XBee WiFi shares a common footprint with other XBee modules. This allows different XBee technologies to be drop-in replacements for each other.

As a member of the XBee family, the XBee WiFi combines hardware with software for a complete modular solution. XBee WiFi modules are designed to communicate with access points in existing 802.11 infrastructures. Developers can use AT and API commands for advanced configuration options.

Note: If you are using these outside of the United States, please check with your local laws regarding radio communication.

Features

3.3V @ 309mA

72Mbps Max data rate

Antenna Type: PCB (Embedded)

Fully FCC certified

4 12-bit ADC input pins

10 digital IO pins

13 Channels

AT or API command set

This is the XBee WiFi Module with wire antenna from Digi. XBee WiFi embedded RF modules provide simple serial to IEEE 802.11 connectivity. By bridging the low-power/low-cost requirements of wireless device networking with the proven infrastructure of 802.11, the XBee WiFi creates new wireless opportunities for energy management, process and factory automation, wireless sensor networks, intelligent asset management and more. Focused on the rigorous requirements of these wireless device networks, the module gives developers IP-to-device and device-to-cloud capability.

XBee modules offer developers tremendous flexibility and are available in surface mount and through-hole form factors. The XBee WiFi shares a common footprint with other XBee modules. This allows different XBee technologies to be drop-in replacements for each other.

As a member of the XBee family, the XBee WiFi combines hardware with software for a complete modular solution. XBee WiFi modules are designed to communicate with access points in existing 802.11 infrastructures. Developers can use AT and API commands for advanced configuration options.

Note: If you are using these outside of the United States, please check with your local laws regarding radio communication.

Features

3.3V @ 309mA

72Mbps Max data rate

Antenna Type: Integrated Wire

Fully FCC certified

4 12-bit ADC input pins

10 digital IO pins

13 Channels

AT or API command set

This is the latest evolution of our serial LCD. Included on a single board is a 16x2 LCD and an embedded circuit based around a PIC 16F88. The on-board PIC takes a TTL serial input and prints the characters it receives onto the LCD. The installed firmware also allows for a number of special commands so you can clear the screen, adjust the backlight brightness, turn the display on/off, and more.

Communication with SerLCD requires 5V TTL serial at a default baud rate of 9600bps (8-N-1). You can adjust the baud to any standard rate between 2400 and 38400bps. The power (VDD), ground (GND) and RX pins are all broken out to both a 0.1" pitch header as well as a 3-pin JST connector.

SerLCD has the ability to dim the backlight to conserve power if needed. There is also a potentiometer on the back of the display to adjust the contrast.

Features

Embedded PIC 16F88 utilizes onboard UART for greater communication accuracy

Adjustable baud rates of 2400, 4800, 9600 (default), 14400, 19200 and 38400

Operational Backspace

Greater processing speed at 10MHz

Incoming buffer stores up to 80 characters

Backlight transistor can handle up to 1A

Pulse width modulation of backlight allows direct control of backlight brightness and current consumption

All surface mount design allows a backpack that is half the size of the original

Faster boot-up time

Boot-up display can be turned on/off via firmware

User definable splash screen* PCB: 103x36mm

LCD: 71.4x26.4mm

The Nokia 5110 is a basic graphic LCD screen for lots of applications. It was originally intended to be used as a cell phone screen. This one is mounted on an easy to solder PCB.

It uses the PCD8544 controller, which is the same used in the Nokia 3310 LCD. The PCD8544 is a low power CMOS LCD controller/driver, designed to drive a graphic display of 48 rows and 84 columns. All necessary functions for the display are provided in a single chip, including on-chip generation of LCD supply and bias voltages, resulting in a minimum of external components and low power consumption. The PCD8544 interfaces to microcontrollers through a serial bus interface.

Note: There may be small blemishes on these screens as they are surplus.

Note: Your screen may or may not have a diode on the PCB. It does not affect performance and will vary depending on our shipment.

Features

45x45mm

The MicroView is the first chip-sized Arduino compatible module that lets you see what your Arduino is thinking using a built-in OLED display. With the on-board 64x48 pixel OLED, you can use the MicroView to display sensor data, emails, pin status, and more. It also fits nicely into a breadboard to make prototyping easy. The MicroView also has a full-featured Arduino library to make programming the module easy.

In the heart of MicroView there is ATMEL’s ATmega328P, 5V & 3.3V LDO and a 64x48 pixel OLED display, together with other passive components that allow the MicroView to operate without any external components other than a power supply. Additionally, the MicroView is 100% code compatible with Arduino Uno (ATmega328P version), meaning the code that runs on an Arduino Uno will also be able to run on the MicroView if the IO pins used in the code are externally exposed on the MicroView.

Note: The MicroView programmer is sold separately. Check the recommended products below. Also, unlike the Kickstarter campaign, this does not come with the breadboard and USB cable. You only get the bare module.

Get Started with the SparkFun MicroView Guide

Features

64x48 Pixel OLED Display

ATmega328P

5V Operational Voltage

VIN Range: 3.3V - 16V

12 Digital I/O Pins (3 PWM)

6 Analog Inputs

Breadboard Friendly DIP Package

32KB Flash Memory

Arduino IDE 1.0+ Compatible

The MicroView is the first chip-sized Arduino compatible module that lets you see what your Arduino is thinking using a built-in OLED display. This USB programmer connects directly to the MicroView and lets you not only program the module, but use it to interface with your computer, Rapsberry Pi, or other USB device. The programmer has both male and female headers which allow it to be plugged into a MicroView module and a breadboard at the same time, making prototyping quick and easy.

If you want to learn more about the MicroView, check out the Kickstarter page.

Note: A MicroView OLED Arduino Module is NOT included with this USB Programmer. Check the Recommended Products section below to find one!

The SparkFun Micro OLED Breakout Board breaks out a small monochrome, blue-on-black OLED. It’s “micro”, but it still packs a punch – the OLED display is crisp, and you can fit a deceivingly large amount of graphics on there. This breakout is perfect for adding graphics to your next Arduino project, displaying diagnostic information without resorting to serial output, and teaching a little game theory while creating a fun, Arduino-based video game. Most important of all, though, is the Micro OLED is easy to control over either an SPI or I2C interface.

You may be asking yourself, “Why does this board look so familiar?” Yes, this is essentially a MicroView without the Arduino portion. We understand that sometimes you just need a breakout, an open door for you to explore the possibilities of a super small OLED screen. Speaking of, the screen on this breakout is only 64 pixels wide and 48 pixels tall, measuring 0.66" across.

In total, the Micro OLED Breakout provides access to 16 of the OLED’s pins. Fortunately, though, you’ll only need about half of them to make the display work. The top row of pins (GND-CS) breaks out everything you’d need to interface with the OLED over an SPI or I2C interface. The pins on the bottom (D7-vB) are mostly only used if you need to control the display over a parallel interface. This board operates at 3.3V with a current of 10mA (20mA max).

Get Started with the SparkFun Micro OLED Breakout Guide

Features

Operating Voltage: 3.3V

Screen Size: 64x48 pixels (0.66" Across)

Monochrome Blue-on-Black

SPI or I2C Interface

The SparkFun Servo Trigger is a small robotics board that simplifies the control of hobby RC servo motors. When an external switch or logic signal changes state, the Servo Trigger is able to tell an attached servo motor to move from position A to position B. To use the Servo Trigger, you simply connect a hobby servo and a switch, then use the on-board potentiometers to adjust the start/stop positions and the transition time. You can use a hobby servos in your projects without having to do any programming!

The heart of the Servo Trigger is an Atmel ATTiny84 microcontroller, running a small program that implements the servo control features we are discussing here. On-board each Servo Trigger you will find three potentiometers, “A” sets the position the servo sits in while the switch is open, “B” sets the position the servo moves to when the switch is closed, and “T” sets the time it takes to get from A to B and back. Compared to a servo motor, the Servo Trigger board draws very little current, roughly 5 mA at 5V. Be sure to note that if you’re using the Servo Trigger to control your motor, the absolute maximum supply voltage that should be applied is 5.5 VDC. Additionally, the SparkFun Servo Trigger is designed to make it easy to daisy chain boards – you can simply connect the VCC and GND pads on adjacent boards to each other.

Note: Check out the Hookup Guide in the Documents section below for more advanced tips, configurations, and modes!

Note: This idea originally came from our friend in the Oakland area, CTP. If you see him, please give him a high-five for us.

Features

Recommended Voltage: 5VDC

Max Voltage: 5.5VDC

Current Draw: 5 mA

Three Control Settings

A - sets the position the servo sits in while the switch is open

B - sets the position the servo moves to when the switch is closed

C - sets the time it takes to get from A to B and back

A - sets the position the servo sits in while the switch is open

B - sets the position the servo moves to when the switch is closed

C - sets the time it takes to get from A to B and back

Easy Control with Potentiometers

Configurable Input Polarity

Configurable Response Mode

Compatible with Analog Servos

ISP Header pins Available for Reprogram

Have you ever wanted your project to just “hibernate” until someone picks it up or moves it? It’s a great strategy for dramatically extending the battery life of a widget that doesn’t need to be active all the time. The SparkFun Wake-on-Shake board is designed to make it really simple to do just that!

The Wake-on-Shake, based on a concept by Nitzan Gadish of Analog Devices, combines the ATTiny2313A with the ADXL362 low-power MEMS accelerometer to cut power to your project for long periods of time, all the while waiting for a shake or a bump and sipping < 2uA @ 3.7V! With power consumption that low, the limiting factor for lifespan in most devices will be aging-related self-discharge of the batteries.

The board is easy to use, you basically connect it as a power switch between your device and a power source (2.0-5.5V). By default, the board will activate the load when it experiences a mild bump or tilt; the load will be powered for 5 seconds after that. Using a serial data connection, the sensitivity can be increased or decreased, as can the delay time. Additionally, the “WAKE” pin allows the load to control when it goes back to sleep. By pulling the wake signal high (to at least 2.7V), the load will remain energized until it releases the pin.

Note: While it is possible to connect the load to the on-board serial port, allowing the load to access the ADXL362 and EEPROM storage of the ATTiny2313A, caution must be exercised when doing this to avoid sourcing current to the load through the serial port data lines on the ATTiny2313A, which could damage the ATTiny2313A as well as causing excessive off-state power dissipation.

Features

Supply Voltage: 2.0 - 5.5VDC

Power Consumption in Hibernation: < 2uA @ 3.7V

Wake Signal: 2.7 - 15V

Serial Header for Configuration is FTDI Basic Breakout Compatible

ISP Header for ATTiny2313A is Broken Out, No Bootloader is Available

2mm JST Connector for LiPo Battery Input

The Big Easy Driver, designed by Brian Schmalz, is a stepper motor driver board for bi-polar stepper motors up to a max 2A/phase. It is based on the Allegro A4988 stepper driver chip. It’s the next version of the popular Easy Driver board.

Each Big Easy Driver can drive up to a max of 2A per phase of a bi-polar stepper motor. It is a chopper microstepping driver which defaults to 16 step microstepping mode. It can take a maximum motor drive voltage of around 30V, and includes on-board 5V/3.3V regulation, so only one supply is necessary. Although this board should be able to run most systems without active cooling while operating at 1.4-1.7A/phase, a heatsink is required for loads approaching 2A/phase. You can find the recommended heatsink in the related items below.

Note: This product is a collaboration with Brian Schmalz. A portion of each sales goes back to him for product support and continued development.

Features

Bi-polar Microstepping Driver

2A/Phase Max

1.4-1.7A/Phase w/o Heatsink

Max Motor Drive Voltage: 30V

On-board 5V/3.3V Regulation

The EasyDriver is a simple to use stepper motor driver, compatible with anything that can output a digital 0 to 5V pulse (or 0 to 3.3V pulse if you solder SJ2 closed on the EasyDriver). The EasyDriver requires a 6V to 30V supply to power the motor and can power any voltage of stepper motor. The EasyDriver has an on board voltage regulator for the digital interface that can be set to 5V or 3.3V. Connect a 4-wire stepper motor and a microcontroller and you’ve got precision motor control! EasyDriver drives bi-polar motors, and motors wired as bi-polar. I.e. 4,6, or 8 wire stepper motors.

This EasyDriver V4.5 has been co-designed with Brian Schmalz. It provides much more flexibility and control over your stepper motor, when compared to older versions. The microstep select (MS1 and MS2) pins of the A3967 are broken out allowing adjustments to the microstepping resolution. The sleep and enable pins are also broken out for further control.

Note: Do not connect or disconnect a motor while the driver is energized. This will cause permanent damage to the A3967 IC.

Note: This product is a collaboration with Brian Schmalz. A portion of each sales goes back to them for product support and continued development.

Features

A3967 Microstepping Driver

MS1 and MS2 pins broken out to change microstepping resolution to full, half, quarter and eighth steps (defaults to eighth)

Compatible with 4, 6, and 8 wire stepper motors of any voltage

Adjustable current control from 150mA/phase to 700mA/phase

Power supply range from 6V to 30V. The higher the voltage, the higher the torque at high speeds

The Teensy is a breadboard-friendly development board with loads of features in a, well, teensy package. Each Teensy 3.1 comes pre-flashed with a bootloader so you can program it using the on-board USB connection: No external programmer needed! You can program for the Teensy in your favorite program editor using C or you can install the Teensyduino add-on for the Arduino IDE and write Arduino sketches for Teensy!

The processor on the Teensy also has access to the USB and can emulate any kind of USB device you need it to be, making it great for USB-MIDI and other HID projects. The 32 bit processor brings a few other features to the table as well, such as multiple channels of Direct Memory Access, several high-resolution ADCs and even an I2S digital audio interface! There are also 4 separate interval timers plus a delay timer! Oh yeah, and all pins have interrupt capability. Also, it can provide system voltage of 3.3V to other devices at up to 250mA.

All of this functionality is jammed into a 1.4 x 0.7 inch board with all headers on a 0.1" grid so you can slap in on a breadboard and get to work! The Teensy 3.2 adds a more powerful 3.3 volt regulator, with the ability to directly power an ESP8266 Wifi, WIZ820io Ethernet, and other 3.3V add-on boards that require a little more power. Additionally, if it is used within the Teensy 3.1 limits of operation, the Teensy 3.2 and 3.1 are interchangeable!

Note: This does not come with a USB cable, please check below for an appropriate one.

Features

32 bit ARM Cortex-M4 72 MHz CPU (M4 = DSP extensions)

256K Flash Memory, 64K RAM, 2K EEPROM

21 High Resolution Analog Inputs (13 bits usable, 16 bit hardware)

34 Digital I/O Pins (5V tolerance on Digital Inputs)

12 PWM outputs

7 Timers for intervals/delays, separate from PWM

USB with dedicated DMA memory transfers

3 UARTs (serial ports)

SPI, I2C, I2S,CAN Bus, IR modulator

I2S (for high quality audio interface)

Real Time Clock (with user-added 32.768 crystal and battery)

16 DMA channels (separate from USB)

Touch Sensor Inputs

1.4 x 0.7" (~35 x 18 mm)

The LSM6DS3 is a accelerometer and gyroscope sensor with a giant 8kb FIFO buffer and embedded processing interrupt functions, specifically targeted at the cellphone market. Due to the capabilities and low cost of the LSM6DS3 we’ve created this small breakout board just for you! Each LSM6DS3 Breakout has been designed to be super-flexible and can be configured specifically for many applications. With the LSM6DS3 Breakout you will be able to detect shocks, tilt, motion, taps, count steps, and even read the temperature!

The LSM6DS3 is capable of reading accelerometer data up to 6.7kS/s and gyroscope data up to 1.7kS/s for more accurate movement sensing. As stated before this breakout also has the ability to buffer up to 8kB of data between reads, host other sensors, and drive interrupt pins all thanks to the LSM6DS3’s built-in FIFO.

Each pin has been broken out on the LSM6DS3, with one side of the board featuring power and I2C functionality while the other side sporting pins that control SPI functionality and interrupt outputs. Please keep in mind that the LSM6DS3 is a 3.3V device so supplying voltages greater than ~3.6V can permanently damage the IC. A logic level shifter is required for any development platform operating at 5V.

Features

Power consumption: 0.9 mA in combo normal mode and 1.25 mA in combo high-performance mode up to 1.6 kHz.

“Always on” experience with low power consumption for both accelerometer and gyroscope

Smart FIFO up to 8 kbyte based on features set

±2/±4/±8/±16 g full scale

±125/±245/±500/±1000/±2000 dps full scale

Analog supply voltage: 1.71 V to 3.6 V

SPI/I2C serial interface with main processor data synchronization feature

Embedded temperature sensor

The LSM9DS1 is a versatile, motion-sensing system-in-a-chip. It houses a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer – nine degrees of freedom (9DOF) in a single IC! The LSM9DS1 is equipped with a digital interface, but even that is flexible: it supports both I2C and SPI, so you’ll be hard-pressed to find a microcontroller it doesn’t work with. This IMU-in-a-chip is so cool we put it on the quarter-sized breakout board you are currently viewing!

The LSM9DS1 is one of only a handful of IC’s that can measure three key properties of movement – angular velocity, acceleration, and heading – in a single IC. By measuring these three properties, you can gain a great deal of knowledge about an object’s movement and orientation. The LSM9DS1 measures each of these movement properties in three dimensions. That means it produces nine pieces of data: acceleration in x/y/z, angular rotation in x/y/z, and magnetic force in x/y/z. The LSM9DS1 Breakout has labels indicating the accelerometer and gyroscope axis orientations, which share a right-hand rule relationship with each other.

Each sensor in the LSM9DS1 supports a wide spectrum of ranges: the accelerometer’s scale can be set to ± 2, 4, 8, or 16 g, the gyroscope supports ± 245, 500, and 2000 °/s, and the magnetometer has full-scale ranges of ± 4, 8, 12, or 16 gauss.

Get Started with the LSM9DS1 Breakout Guide

Features

3 acceleration channels, 3 angular rate channels, 3 magnetic field channels

±2/±4/±8/±16 g linear acceleration full scale

±4/±8/±12/±16 gauss magnetic full scale

±245/±500/±2000 dps angular rate full scale

SPI / I2C serial interfaces

Operating Voltage: 3.3V

The LSM303C is a 6 Degrees of Freedom (6DOF) inertial measurement unit (IMU) in a single package, specifically developed as an eCompass device. Due to the IC housing a 3-axis accelerometer and a 3-axis magnetometer combined with its low cost, the LSM303C was perfect for us to create this small breakout board just for you! Each LSM303C Breakout has been designed to be super-flexible and can be configured specifically for many applications. The LSM303C Breakout can be configured to generate an interrupt signal for free-fall, motion detection and magnetic field detection!

The range of each sensor on the LSM303C is configurable: the accelerometer’s scale can be set to ±2g, ±4g, ±6g, or ±8g, while the magnetometer has full-scale range of ±16 gauss, and supports I2C and SPI communication.

Each pin has been broken out on the LSM303C, with 10 plated through-hole connections featuring power and I2C and SPI functionality, interrupt outputs, and accelerometer and magnetometer data out. Please keep in mind that the LSM303C is a 2.5V device so supplying voltages greater than ~4.8V can permanently damage the IC. As long as your Arduino has a 3.3V supply output, you shouldn’t need any extra level shifting.

Features

3 magnetic field channels and 3 acceleration channels

±16 gauss magnetic full scale

±2/±4/±8 g selectable acceleration full scale

16-bit data output

SPI / I2C serial interfaces

Analog supply voltage 1.9 V to 3.6 V

Power-down mode / low-power mode

Programmable interrupt generators for freefall, motion detection and magnetic field detection

Embedded temperature sensor

Embedded FIFO

This breakout board makes it easy to use the tiny MMA8452Q accelerometer in your project. The MMA8452Q is a smart low-power, three-axis, capacitive MEMS accelerometer with 12 bits of resolution. This accelerometer is packed with embedded functions with flexible user programmable options, configurable to two interrupt pins. Embedded interrupt functions allow for overall power savings relieving the host processor from continuously polling data.

The MMA8452Q has user selectable full scales of ±2g/±4g/±8g with high pass filtered data as well as non filtered data available real-time. The device can be configured to generate inertial wake-up interrupt signals from any combination of the configurable embedded functions allowing the MMA8452Q to monitor events and remain in a low power mode during periods of inactivity.

This board breaks out the ground, power, I2C and two external interrupt pins.

Note: If you are looking for the SparkFun Triple Axis Accelerometer Breakout with headers, it can be found here or in the Recommended Products below.

Get Started with the MMA8452Q Breakout Hookup Guide

Features

1.95 V to 3.6 V supply voltage

1.6 V to 3.6 V interface voltage

±2g/±4g/±8g dynamically selectable full-scale

Output Data Rates (ODR) from 1.56 Hz to 800 Hz

12-bit and 8-bit digital output

I2C digital output interface (operates to 2.25 MHz with 4.7 kΩ pullup)

Two programmable interrupt pins for six interrupt sources

Three embedded channels of motion detection

Orientation (Portrait/Landscape) detection with set hysteresis

High Pass Filter Data available real-time

Current Consumption: 6 μA – 165 μA

Replacement:SEN-10736. This board has been updated to use the HMC5883L instead of the end-of-life HMC5843. This page is for reference only.

The 9DOF Razor IMU incorporates three sensors - an ITG-3200 (triple-axis gyro), ADXL345 (triple-axis accelerometer), and HMC5843 (triple-axis magnetometer) - to give you nine degrees of inertial measurement. The outputs of all sensors are processed by an on-board ATmega328 and output over a serial interface. With the work of Jordi Munoz and many others, the 9DOF Razor can become an Attitude and Heading Reference System. This enables the 9DOF Razor to become a very powerful control mechanism for UAVs, autonomous vehicles and image stabilization systems.

The board comes programmed with the 8MHz Arduino bootloader and example firmware that tests the outputs of all the sensors. Simply connect to the serial TX and RX pins with a 3.3V FTDI Basic Breakout, open a terminal program to 38400bps and a menu will guide you through testing the sensors. You can use the Arduino IDE to program your code onto the 9DOF, just select the ‘Arduino Pro or Pro Mini (3.3v, 8mhz) w/ATmega328’ as your board.

The 9DOF operates at 3.3VDC; any power supplied to the white JST connector will be regulated down to this operating voltage - our LiPo batteries are an excellent power supply choice. The output header is designed to mate with our 3.3V FTDI Basic Breakout board, so you can easily connect the board to a computer’s USB port. Or, for a wireless solution, it can be connected to the Bluetooth Mate or an XBee Explorer.

Having a hard time picking an IMU? Our Accelerometer, Gyro, and IMU Buying Guide might help!

Note: This product is a collaboration with Jordi Munoz of 3d Robotics. A portion of each sales goes back to them for product support and continued development.

Note: We found these in inventory and they work fine but we’re no longer making them. We’ll be selling them at a discount for a limited time but when they’re gone, they’re gone!

Replaces:SEN-09623

Features

9 Degrees of Freedom on a single, flat board:

ITG-3200 - triple-axis digital-output gyroscope

ADXL345 - 13-bit resolution, ±16g, triple-axis accelerometer

HMC5843 - triple-axis, digital magnetometer

ITG-3200 - triple-axis digital-output gyroscope

ADXL345 - 13-bit resolution, ±16g, triple-axis accelerometer

HMC5843 - triple-axis, digital magnetometer

Outputs of all sensors processed by on-board ATmega328 and sent out via a serial stream

Autorun feature and help menu integrated into the example firmware

Output pins match up with FTDI Basic Breakout, Bluetooth Mate, XBee Explorer

3.5-16VDC input

ON-OFF control switch and reset switch

1.60 x 1.10 “ (40.64 x 27.94 mm)

If you’ve ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time. This level converter also works with 2.8V and 1.8V devices. What really separates this Logic level converter from our previous versions is that you can successfully set your high and low voltages and step up and down between them safely on the same channel. Each level converter has the capability of converting 4 pins on the high side to 4 pins on the low side with two inputs and two outputs provided for each side.

The level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the ‘HV’ pin, low voltage (3.3V for example) to ‘LV’, and ground from the system to the ‘GND’ pin.

Get Started with the Logic Level Converter Guide

Features

0.63 x 0.52" (16.05 x 13.33mm)

So it turns out that your XBee based device would work even better as a Bluetooth device… that probably means back to the drawing board, right? Well not anymore! Now you can swap in Bluetooth functionality without a major hardware redesign!

The RN42XV is a small form factor, low power Bluetooth radio module offering plug-in compatibility for the widely used 2 x 10 (2mm) socket typically used for 802.15.4 radio modules. Based on the popular 2 x 10 (2mm) socket footprint often found in embedded applications, the Roving Networks’ RN42XV module provides Bluetooth connectivity in legacy and existing designs that may have been based upon the 802.15.4 standard.

The RN42XV Class 2 Bluetooth module is based on the RN42. This module supports multiple interface protocols, is simple to design in, and is fully certified, making it a complete embedded Bluetooth solution. With its high-performance, on-chip antenna and support for Bluetooth EDR, the RN42 delivers up to a 3 Mbps data rate for distances up to 20 meters.

Features

Fully certified Bluetooth® version 2.1 module, supports version 2.1 + Enhanced Data Rate (EDR)

Backwards-compatible with Bluetooth version 2.0, 1.2, and 1.1

Pin compatible with widely used 2 x 10 2-mm socket typically used for 802.15.4 applications

Low power: 26 uA sleep, 3 mA connected, 30 mA transmit

UART (SPP or HCI) and USB (HCI only) data connection interfaces

Sustained SPP data rates: 240 Kbps (slave), 300 Kbps (master)

Embedded Bluetooth stack profiles included (requires no host stack): GAP, SDP, RFCOMM, and L2CAP protocols, with SPP, HID and DUN profile support

Bluetooth SIG certified

Certifications: FCC, IC, CE

PCB trace antenna

This is a board designed for opto-isolation. This board is helpful for connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system. This board electrically isolates a controller from the high-power system by use of an opto-isolator IC. This IC has two LEDs and two photodiodes built-in. This allows the low-voltage side to control a high voltage side.

We often use this board to allow a microcontroller control servos or other motors that use a higher voltage than the TTL logic on the (3.3V or 5V) micro, and may cause electromagnetic interferance with our system as the motors turn on and off. This board will isolate the systems, creating a type of electrical noise barrier between devices.

This breakout board uses the ILD213T optoisolator and discrete transistors to correct the logic. Comes with two channels. Great for use in noisy circuits where signal lines require electrical isolation.

A normal LED opto-isolator will invert the logic of a signal. We threw some transistors on this compact board to correct the inversion. What you put into the IN pins, will be replicated on the the OUT pins, but at the higher voltage (HV).

If you’ve had ideas for a project that depends on the ability to sense different spectrums of visible light and react based on those measurements, the ISL29125 breakout board may be just what you need. The ISL29125 breakout board makes it very easy to sense and record the light intensity of the general red, green, and blue spectrums of visible light while rejecting IR from light sources. You can then use these color sensor readings for the purposes of logging and finding patterns, or creatively calculate and make control decisions in your electronic projects.

Each pin from the ISL29125 has been broken out to allow you to interface with it, SDA, SCL, 3.3V, GND, and even an optional INT pin is available for use. The ISL29125 Light Sensor operates at 3.3V but if you plan on using this chip with a 5V microcontroller make sure to use a logic level converter.

Features

Operating Voltage: 3.3V

Operating Current: 56µA

Selectable Range

I2C (SMBus compatible) Output

ADC Resolution 16 bits

SCL, SDA, INT, 3.3V, & GND Pins Broken Out

18.4mm x 17.2mm x 2.4mm (0.7" x 0.6" x 0.09")

Basic breakout board for the TEMT6000 Ambient Light Sensor. Only what you need, nothing you don’t. Sensor acts like a transistor - the greater the incoming light, the higher the analog voltage on the signal pin.

The TSL2561 SparkFun Luminosity Sensor Breakout is a sophisticated light sensor which has a flat response across most of the visible spectrum. Unlike simpler sensors, the TSL2561 measures both infrared and visible light to better approximate the response of the human eye. And because the TSL2561 is an integrating sensor (it soaks up light for a predetermined amount of time), it is capable of measuring both small and large amounts of light by changing the integration time.

The TSL2561 is capable of direct I2C communication and is able to conduct specific light ranges from 0.1 - 40k+ Lux easily. Additionally, the TSL12561 contains two integrating analog-to-digital converters (ADC) that integrate currents from two photodiodes, simultaneously. Each breakout requires a supply voltage of 3V and a low supply current max of 0.6mA.

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm.

This sensor has a high sensitivity and fast response time. The sensor’s output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC.

This sensor comes in a package similar to our MQ-3 alcohol sensor, and can be used with the breakout board below.

This is a breakout board for Freescale’s MPR121QR2. The MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode. The MPR121 also features eight LED driving pins. When these pins are not configured as electrodes, they may be used to drive LEDs.

There a four jumpers on the bottom of the board, all of which are set (closed) by default. An address jumper ties the ADD pin to ground, meaning the default I2C address of the chip will be 0x5A. If you need to change the address of the chip (by shorting ADD to a different pin), make sure you open the jumper first. Jumpers also connect SDA, SCL and the interrupt pin to 10k pull-up resistors. If you don’t require the pull-up resistors you can open the jumpers by cutting the trace connecting them.

There is no regulation on the board, so the voltage supplied should be between 2.5 and 3.6VDC. The VREG pin is connected through a 0.1uF capacitor to ground, which means, unless you modify the board, you can’t operate the MPR121 in low-supply voltage mode (1.71-2.75VDC).

This is a breakout for the BC127 Bluetooth Module. The BC127 is a highly flexible, low power, small form factor Bluetooth Version 4.0 Certified Audio module. This is an ideal module for developers who want to quickly and cost effectively integrate Bluetooth functionality into their products.

The BC127 Breakout board provides basic access to all the pins on the BC127 module, along with a six-pin serial header with the same pinout as the FTDI Basic boards, allowing it to connect to boards like the Arduino Pro, Pro Mini, and LilyPad. It also includes voltage regulation, serial data level shifting circuitry, and support for the built-in battery charge circuitry.

This is the SparkFun BLE Mate 2, an efficient and reliable Bluetooth 4.0 development board. The BLE Mate 2 closely resembles a breakout board, in that nearly every pin on the on-board BC118 module is made available to access. This board is actually a close cousin to our Gold and Silver Bluetooth Mates and functions in a very similar way but, as the name implies, operates as Bluetooth Low Energy instead of Bluetooth 2.0.

The BLE Mate 2 offers a six-pin header on the end opposite the BC118 module which is used as a “host” serial pinout, the same as that on the FTDI Basic boards, which allows the BLE Mate 2 to be connected directly to any device with a matching header, such as the SparkFun Arduino Pro and Pro Mini. Coupled with the FTDI SmartBasic, you can even develop your code without having to swap cables! The board has built-in level translation, so it can be used with boards of higher voltage than the 3.3V default used by the BC118.

Each BLE Mate 2 offers BC118 module that is capable of accepting and transmitting via the UART at 9600bps (default) with a frequency band of 2,402 MHz to 2,480 MHz.

The SparkFun BLE Mate 2 only supports Bluetooth 4.0; it won’t connect to older devices. It’s also worth noting that BLE does not support a Serial Port Protocol as older versions of Bluetooth did; that makes interoperability between BLE dongles, devices, and modules harder than with Bluetooth Classic.

Features

Bluetooth Certified 4.0 (BLE)

Supply Voltage: 3.3V to 4.7 VDC

Low power consumption : 16mA avg

Frequency Band: 2,402 MHz to 2,480 MHz

Operating Range: 30m

Built-in antenna

The BlueSMiRF Silver is the latest Bluetooth wireless serial cable replacement from SparkFun Electronics! This version of the popular BlueSMiRF uses the RN-42 module which has a bit less range than the RN-41 module used in the BlueSMiRF Gold. These modems work as a serial (RX/TX) pipe. Any serial stream from 2400 to 115200bps can be passed seamlessly from your computer to your target.

The remote unit can be powered from 3.3V up to 6V for easy battery attachment. All signal pins on the remote unit are 3V-6V tolerant. No level shifting is required. Do not attach this device directly to a serial port. You will need an RS232 to TTL converter circuit if you need to attach this to a computer.

Unit comes without a connector. Please see related male and female pins below.

Features

v6.15 Firmware

FCC Approved Class 2 Bluetooth Radio Modem

Extremely small radio - 0.15x0.6x1.9"

Very robust link both in integrity and transmission distance (18m)

Hardy frequency hopping scheme - operates in harsh RF environments like WiFi, 802.11g, and Zigbee

Encrypted connection

Frequency: 2.402~2.480 GHz

Operating Voltage: 3.3V-6V

Serial communications: 2400-115200bps

Operating Temperature: -40 ~ +70C

Built-in antenna

45x16.6x3.9mm

The MaKey MaKey is really cool, but wouldn’t it be cooler if it wasn’t tethered to your computer? There’s only one way to find out: Go wireless.

Our Bluetooth & LiPo Add-On for MaKey MaKey frees your MaKey invention from the bonds of USB wired connection. Data is passed over a Bluetooth HID connection to your Bluetooth enabled computer which will recognize it as a Bluetooth wireless keyboard. Power is handled through a 2-pin JST connector, simply connect any of our 3.7V lithium-polymer batteries. If the MaKey MaKey is plugged in using USB, the Bluetooth & LiPo Add-On will use that source to charge any connected LiPo battery!

To get this thing up and running, you will need to upload some special code to your MaKey MaKey so some Arduino knowledge is recommended. Check out the wiki below for more information.

Note: This Add-On board does not include a LiPo battery, check the related items below for compatible batteries! If your computer doesn’t have Bluetooth, no worries, check out the Bluetooth USB Module in the related items!

The Bluetooth Mate Gold is very similar to our BlueSMiRF modem, but it is designed specifically to be used with our Arduino Pros and LilyPad Arduinos. These modems work as a serial (RX/TX) pipe, and are a great wireless replacement for serial cables. Any serial stream from 2400 to 115200bps can be passed seamlessly from your computer to your target. We’ve tested these units successfully over open air at 350ft (106m)!

Bluetooth Mate has the same pin out as the FTDI Basic, and is meant to plug directly into an Arduino Pro, Pro Mini, or LilyPad Mainboard. Because we’ve arranged the pins to do this, you cannot directly plug the Bluetooth Mate to an FTDI Basic board (you’ll have to swap TX and RX).

This unit ships with an RN-41 class 1 bluetooth module, a very easy-to-use and well documented bluetooth module. Make sure you check out the datasheet and command set links below. If you don’t need the extra range, check out the Bluetooth Mate Silver which uses a Class 2 module which has less range.

The Bluetooth Mate has on-board voltage regulators, so it can be powered from any 3.3 to 6VDC power supply. We’ve got level shifting all set up so the RX and TX pins on the remote unit are 3-6VDC tolerant. Do not attach this device directly to a serial port. You will need an RS232 to TTL converter circuit if you need to attach this to a computer.

Unit comes without a connector; if you want to connect it to an Arduino Pro, we’d suggest the 6-pin right-angle female header.

Note: If you are looking for the ability to use the FTDI directly with your Bluetooth Mate check out our Crossover Breakout for FTDI!

Note: The hardware reset pin of the RN-41 module is broken out on the bottom side of the board. This pin is mislabeled as ‘PIO6’, it is actually PIO4. Should you need to reset the Mate, pull this pin high upon power-up, and then toggle it 3 times.

Features

v6.15 Firmware

Designed to work directly with Arduino Pro’s and LilyPad main boards

FCC Approved Class 1 Bluetooth® Radio Modem

Very robust link both in integrity and transmission distance (100m) - no more buffer overruns!

Low power consumption : 25mA avg

Hardy frequency hopping scheme - operates in harsh RF environments like WiFi, 802.11g, and Zigbee

Encrypted connection

Frequency: 2.402~2.480 GHz

Operating Voltage: 3.3V-6V

Serial communications: 2400-115200bps

Operating Temperature: -40 ~ +70C

Built-in antenna

Board: 1.75x0.65"

The Bluetooth Mate is very similar to our BlueSMiRF modem, but it is designed specifically to be used with our Arduino Pros and LilyPad Arduinos. These modems work as a serial (RX/TX) pipe, and are a great wireless replacement for serial cables. Any serial stream from 2400 to 115200bps can be passed seamlessly from your computer to your target.

Bluetooth Mate has the same pin out as the FTDI Basic, and is meant to plug directly into an Arduino Pro, Pro Mini, or LilyPad Mainboard. Because we’ve arranged the pins to do this, you cannot directly plug the Bluetooth Mate to an FTDI Basic board (you’ll have to swap TX and RX).

The RN-42 is perfect for short range, battery powered applications. The RN-42 uses only 26uA in sleep mode while still being discoverable and connectable. Multiple user configurable power modes allow the user to dial in the lowest power profile for a given application. If you need longer range, check out the Bluetooth Mate Gold.

The Bluetooth Mate has on-board voltage regulators, so it can be powered from any 3.3 to 6VDC power supply. We’ve got level shifting all set up so the RX and TX pins on the remote unit are 3-6VDC tolerant. Do not attach this device directly to a serial port. You will need an RS232 to TTL converter circuit if you need to attach this to a computer.

Unit comes without a connector; if you want to connect it to an Arduino Pro, we’d suggest the 6-pin right-angle female header.

Note: If you are looking for the ability to use the FTDI directly with your Bluetooth Mate check out our Crossover Breakout for FTDI!

Note: The hardware reset pin of the RN-42 module is broken out on the bottom side of the board. This pin is mislabeled as ‘PIO6’, it is actually PIO4. Should you need to reset the Mate, pull this pin high upon power-up, and then toggle it 3 times.

Features

v6.15 Firmware

Designed to work directly with Arduino Pro’s and LilyPad main boards

FCC Approved Class 2 Bluetooth® Radio Modem!

Low power consumption : 25mA avg

Hardy frequency hopping scheme - operates in harsh RF environments like WiFi, 802.11g, and Zigbee

Encrypted connection

Frequency: 2.402~2.480 GHz

Operating Voltage: 3.3V-6V

Serial communications: 2400-115200bps

Operating Temperature: -40 ~ +70C

Built-in antenna

Board: 1.75x0.65"

You’ve always wanted to output analog voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The MCP4725 is an I2C controlled Digital-to-Analog converter (DAC). A DAC allows you to send analog signal, such as a sine wave, from a digital source, such as the I2C interface on the Arduino microcontroller. Digital to analog converters are great for sound generation, musical instruments, and many other creative projects!

This version of the MCP4725 Breakout fixes a few issues with the board including the IC footprint, the I2C pinout, changes the overall board dimensions to better fit your projects, and a few more minor tweaks. This board breaks out each pin you will need to access and use the MCP4725 including GND and Signal OUT pins for connecting to an oscilloscope or any other device you need to hook up to the board. Also on board are SCL, SDA, VCC, and another GND for your basic I2C pinout. Additionally, if you are looking to have more than one MCP4725 on a bus, the pull-up resistors on this board can be disabled just check the Hookup Guide in the Documents section below for instructions and tips on doing this.

Features

12-bit resolution

I2C Interface (Standard, Fast, and High-Speed supported)

Small package

2.7V to 5.5V supply

Internal EEPROM to store settings

This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the ‘alarm’ pin will go low.

This unit works great from 5 to 12V (datasheet shows 12V). You can also install a jumper wire past the 5V regulator on board to make this unit work at 3.3V. Sensor uses 1.6mA@3.3V.

The alarm pin is an open collector meaning you will need a pull up resistor on the alarm pin. The open drain setup allows multiple motion sensors to be connected on a single input pin. If any of the motion sensors go off, the input pin will be pulled low.

We’ve finally updated the connector! Gone is the old “odd” connector, now you will find a common 3-pin JST! This makes the PIR Sensor much more accessible for whatever your project may need. Red = Power, White = Ground, and Black = Alarm.

This is the LIDAR Lite, a compact high performance optical distance measurement sensor from PulsedLight. The LIDAR Lite is ideal when used in drone, robot, or unmanned vehicle situations where you need a reliable and powerful proximity sensor but don’t possess a lot of space. All you need to communicate with this sensor is a standard I2C or PWM interface and the LIDAR Lite, with its range of up to 40 meters, will be yours to command!

Each LIDAR Lite features an edge emitting, 905nm (75um, 1 watt, 4 mrad, 14mm optic), single stripe laser transmitter and a surface mount PIN, 3° FOV with 14mm optics receiver. The LIDAR Lite operates between 4.7 - 5.5VDC with a max of 6V DC and has a current consumption rate of <100mA at continuous operation. On top of everything else, the LIDAR Lite has an acquisition time of only 0.02 seconds or less and can be interfaced via I2C or PWM.

Note: The LIDAR Lite is designated as Class 1 during all procedures of operation, however operating the sensor without its optics or housing or making modifications to the housing can result in direct exposure to laser radiation and the risk of permanent eye damage. Direct eye contact should be avoided and under no circumstances should you ever stare straight into the emitter.

This is the LIDAR-Lite v2, a compact high performance optical distance measurement sensor from PulsedLight. The LIDAR-Lite “Blue Label” is ideal when used in drone, robot, or unmanned vehicle situations where you need a reliable and powerful proximity sensor but don’t possess a lot of space. All you need to communicate with this sensor is a standard I2C or PWM interface. With everything connected the LIDAR-Lite v2, with its range of up to 40 meters, will be yours to command!

Each LIDAR-Lite v2 features an edge emitting, 905nm (75um, 1 watt, 4 mrad, 14mm optic), single stripe laser transmitter and a surface mount PIN, 3° FOV with 14mm optics receiver. The second version of the LIDAR-Lite still operates at 5V DC with a current consumption rate of <100mA at continuous operation. On top of everything else, the LIDAR-Lite has an acquisition time of only 0.02 seconds or less and can be interfaced via I2C or PWM.

The LIDAR-Lite v2 has received a number of upgrades from the previous version. With the implementation of a new signal processing architecture, LIDAR-Lite v2 can operate at measurement speeds of up to 500 readings per second offering greater resolution for scanning applications. Additionally, the LIDAR-Lite v2 has had its I2C communications improved to operate at 100 kbits/s or 400 kbits/s with you, the user, able to assign your own addressing! Just in case you are wondering: yes, the LIDAR-Lite v2 is compatible with its previous version in all primary functions and their compatibility will extend into the next version and beyond.

Note: With Garmin® recently acquiring PulsedLight® the LIDAR-Lite v2 has been marked EOL. We are currently waiting on word about the next exciting product these two companies create. We will come back with additional information once we obtain it.

Note: The LIDAR Lite is designated as Class 1 during all procedures of operation, however operating the sensor without its optics or housing or making modifications to the housing can result in direct exposure to laser radiation and the risk of permanent eye damage. Direct eye contact should be avoided and under no circumstances should you ever stare straight into the emitter.

These are massive single pole - double throw (SPDT) sealed relays. This means that when current is applied to the coil it throws a simple changeover switch, terminating the connection from the NC contact to ground and closing the NO contact. Use them to switch high voltage/high current devices.

Features

SPDT Relay

Contacts Rated up to 220VAC @ 20A

Coil Voltage: 5V

Fully Sealed

This is the LilyPad Arduino Simple Board. It’s controlled by an ATmega328 with the Arduino bootloader. It has fewer pins than the LilyPad Arduino Main Board, a built in power supply socket, and an on/off switch. Any of our LiPo batteries can be plugged right into the socket. The Simple board is designed to streamline your next sewable project by keeping things simple and giving you more room to work  and eliminating the need to sew a power supply. This revision does away with the ISP header and adds a charging circuit based on the MCP73831 IC.

LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They’re even washable!

Not sure which Arduino or Arduino-compatible board is right for you? Check out our Arduino Buying Guide!

Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles and also to Arduino LLC to help fund continued development of new tools and new IDE features.

Note: Because of the added battery charging circuitry the Simple is unable to power a device from the FTDI header meaning that the Bluetooth Mate, for instance, is no longer plug'n'play compatible.

Features

50mm outer diameter

Thin 0.8mm PCB

This is a simple pack of five White LilyPad LEDs that are still attached to one another, letting you snap the LEDs apart at your leisure to sew into clothing or whatever else you can dream up.

LilyPad is a wearable e-textile technology developed by Dr. Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad piece was creatively designed with large sew tabs to allow them to be sewn into fabric. Various input, output, power and sensor boards are available. They’re even washable (with special care)!

Note: A portion of this sale is given back to Dr. Buechley for continued development and education in e-textiles.

Features

5.5mm x 12.5mm

Thin 0.8mm PCB

This is the LilyPad revision of our FTDI Basic. It is the same as our other FTDI Basic, but has a purple LilyPad board which is half the thickness.

This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 5V Arduino boards. It can also be used for general serial applications. The major difference with this board is that it brings out the DTR pin as opposed to the RTS pin of the FTDI cable. The DTR pin allows an Arduino target to auto-reset when a new Sketch is downloaded. This is a really nice feature to have and allows a sketch to be downloaded without having to hit the reset button. This board will auto reset any Arduino board that has the reset pin brought out to a 6-pin connector.

The pins labeled BLK and GRN correspond to the colored wires on the FTDI cable. The black wire on the FTDI cable is GND, green is CTS. Use these BLK and GRN pins to align the FTDI basic board with your Arduino target.

This board has TX and RX LEDs that make it a bit better to use over the FTDI cable. You can actually see serial traffic on the LEDs to verify if the board is working.

This board was designed to decrease the cost of Arduino development and increase ease of use (the auto-reset feature rocks!). Our Arduino Pro boards and LilyPads use this type of connector.

One of the nice features of this board is a jumper on the back of the board that allows the board to be configured to either 3.3V or 5V (both power output and IO level). This board ship as 5V, but you can cut the default trace and add a solder jumper if you need to switch to 3.3V.

Note: We know a lot of you prefer microUSB over miniUSB. Never fear, we’ve got you covered! Check out our FT231X Breakout for your micro FTDI needs!

Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles.

This is a small buzzer for the LilyPad system. Use 2 I/O pins on the LilyPad main board and create different noises based on the different frequency of I/O toggling. Loud enough to hear inside a pocket but not obtrusively loud.

Please note: This is an inductive buzzer meaning that is will act as a short to ground if you are not actively driving it. We recommend you put both I/O pins to low (0V) when the buzzer is not used. Also, it’s come to our attention that washing these buzzers will damage them. Until we’ve figured out a solution to this, avoid washing any portion of your project that contains one of these buzzers.

LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They’re even washable!

Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles.

Features

20mm outer diameter

Thin 0.8mm PCB

This is a simple to use light sensor that outputs an analog value from 0 to 5V. With exposure to daylight, this sensor will output 5V. Covering the sensor with your hand, the sensor will output 0V. In a normal indoor lighting situation, the sensor will output from 1 to 2V.

LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They’re even washable!

Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles.

Features

20mm outer diameter

Thin 0.8mm PCB

We designed this board to give the user a low profile button without any sharp edges. Button closes when you push it and opens when you release (momentary push button).

LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They’re even washable!

Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles.

Features

8x16mm

Thin 0.8mm PCB

This is a simple slide switch for the LilyPad. Use it as a simple ON/OFF switch, or to control LEDs, buzzers, sensors, etc. The swtiches on each board are rated for 4 volts at 300mA, but will work at 5 volts with a reduction in current.

LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They’re even washable!

Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles.

Features

7.75x18.1mm

Thin 0.8mm PCB

Detecting temperature changes has never been easier. The MCP9700 is a small thermistor type temperature sensor. This sensor will output 0.5V at 0 degrees C, 0.75V at 25 C, and 10mV per degree C. Doing an analog to digital conversion on the signal line will allow you to establish the local ambient temperature. Detect physical touch based on body heat and ambient conditions with this small sensor.

LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They’re even washable!

Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles.

Get Started with the LilyPad Temperature Sensor Guide

Features

20mm outer diameter

Thin 0.8mm PCB

Apply 5V and be shaken by this small, but powerful vibration motor. Works great as an physical indicator without notifying anyone but the wearer. This version uses a surface mount motor which is less likely to be damaged during use.

LilyPad is a wearable technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available.

Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles.

Features

20mm outer diameter

Thin 0.8mm PCB

Blink any color you need! Use the Tri-Color LED board as a simple indicator, or by pulsing the red, green, and blue channels, you can create any color. Very bright output. This is a common anode design - to turn on a channel you simply need to ground one of the R/G/B pins to illuminate that channel.

LilyPad is a wearable technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They’re even washable!

Note: A portion of this sale is given back to Dr. Leah Buechley for continued development and education of e-textiles.

Get Started with the LilyPad Tri-Color LED Guide

Features

20mm outer diameter

Thin 0.8mm PCB