This board allows you to interface with your car's OBD-II bus. It provides you a serial interface using the ELM327 com…

The serial enabled LCD allows you to control a parallel based LCD over a single-wire serial interface. Included in this pr…

4-digit 7-segment displays are really neat little devices, it's a shame that they can be so cumbersome to control. Wel…

 This simple board breaks out a female USB type A connector's VCC, GND, D- and D+ pins to a 0.1" pitch header. If you want…

 The BigTime watch kit is a geekishly stylish digital watch with a NATO style watch-band and a slick acrylic enclosure…

The ProtoSnap series is a great way to prototype your project without a breadboard. Everything is wired together on a sing…

This breakout board uses the LTC3588 Piezoelectric Energy Harvester from Linear Technologies. This board can be used not o…

The Arduino Mega now has its very own prototyping shield! The MegaShield mates with the Arduino Mega board and gives the u…

The 'must have' IC for TTL/CMOS projects finally has its own breakout board! This is the RS232 converter IC that i…

 This is the PurpleTooth Jamboree a full-function board, designed to provide audio bridge support through the A2DP, HF…

It's powerful, it's portable, it's Pro! We're continuing our Pro series of Arduino-compatible micro-contro…

This assortment of tools is great for those of you who are new to soldering. We've found our favorite, low-cost tools, …

Digital logic is the foundation of every task that a computer can do, so it's no wonder that in order to fully underst…

With SD and MMC memory prices dropping, the time is right for mass storage and datalogging. This breakout board will allow…

A small, but mighty power supply. This board was designed to be as small and inconspicuous as possible. Pop in a AAA batte…

 The TSL2561 Luminosity Sensor Breakout is a sophisticated light sensor which has a flat response across most of the v…

 Our UAV Development Board is back! The UDB5 (UAV Development Board version 5) comes populated with a dsPIC33FJ25…

The new version of the UBW32 now uses the PIC32MX795 IC. Based on the work of Brian Schmalz, the UBW32 is a small developme…

Have you ever seen a Weevil? It's a pretty under-appreciated beetle, so we thought it deserved a kit. Okay, so we just…

The nRF24L01 module is the latest in RF modules from SparkFun. This module uses the 2.4GHz transceiver from Nordic Semicon…

The ProtoSnap is an Arduino-compatible development platform aimed at teaching the basics of Arduino programming as efficie…

This shield features the MSGEQ7 graphic equalizer display filter, the same IC used in the Colorganic Spectralizer kit. Two…

The LilyTiny is a tiny little LilyPad board designed to add flashy functionality to your project without taking up a lot o…

Our through-hole Simon Says Kit is a great beginner's kit and also a pretty fun toy. All components are through-hole, …

This is the same product as the OBD-II UART. The difference is this version comes with the appropriate cable in fancy clam…

Do you ever wish your Arduino was more musically talented? Or maybe your project could use some cool sound effects. The Mu…

This is an evaluation board for the SM5100B GSM/GPRS module; everything you need to get started with the cellular module is…

The MIDI Shield board gives your Arduino access to the antiquated, but still widely used and well supported MIDI communicat…

If you aren't familiar with the Electric Imp, it essentially provides an easy, integrated way to connect almost any ha…

Adding GPS to your Arduino has never been easier. Multiple GPS receivers attach easily to the shield, and with the example …

This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is li…

If you're looking for a simple way to add a battery to your LilyPad project, the LilyPad Coin Cell Battery Holder migh…

The LilyPad XBee is a breakout board for the popular XBee modules. Board includes easy-to-sew tabs and all the necessary p…

The LilyPad SimpleSnap Protoboard is a new, easy way to create e-textiles projects with LilyPad that are modular and can b…

This is a stereo amplifier kit designed to make use of the STA540 power amplifier IC. Once this kit is completed you have a…

This is a breakout board for the ultra low-power LIS331HH three axis linear accelerometer. The device has a digital I2C/SP…

This is an evaluation board for the MLX90614 IR Thermometer. The sensor is connected to an ATmega328 running at 3.3V with …

We've heard you, and made a number of improvements to our EL Shield. The new version adds zero-crossing optoisolated t…

This is a breakout board for the PCA9306 dual bidirectional voltage-level translator. Because different parts sometimes us…

Now mounted on a breakout board, the MPL115A1 is a digital barometer that uses MEMs technology to give accurate pressure me…

This is an evaluation board for the Silicon Laboratories Si4703 FM tuner chip. Beyond being a simple FM radio, the Si4703 …

This is a smaller version of our serial graphic LCD. The Serial Graphic LCD backpack is soldered to the 128x64 pixel Graphi…

Here is a simple 5 pack of red LEDs for LilyPad, or whatever else you can dream up. Light up the night! LilyPad is a …

Here is a simple 5 pack of blue LEDs for LilyPad, or whatever else you can dream up. Light up the night! LilyPad is a…

The H2OhNo! is a water sensor alarm kit that you build yourself. When water is detected across the sense pins an alar…

The ATMega 32U4 is an 8-bit AVR microcontroller featuring 32KB self-programming flash program memory, 2.5KB SRAM, 1KB EEPR…

This is a simple breakout for the Roving Networks Bluetooth module. All pertinent pins are broken out and labeled. This ne…

This is the newest revision and fixes issues with the last board. This breakout board pairs an SP3485 RS-485 transceiver wi…

The MaKey MaKey is really cool, but wouldn't it be cooler if it wasn't tethered to your computer? There's only…

This is a large sized RGB LED Matrix with a backpack that has been designed to take SPI serial input and display any graph…