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

The Joystick Shield kit contains all the parts you need to enable your Arduino with a joystick! The shield sits on top of y…

The LiPower board is based on the incredibly versatile TPS61200 boost converter. The board is configured to be used with a…

This is a breakout board for the L3G4200D low-power three-axis angular rate sensor. The L3G4200D is a MEMS motion sensor a…

The Danger Shield mounts on top of your Arduino or Arduino Pro and equips it with a variety of fun and useful inputs and ou…

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

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

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

This is a breakout board for the fully integrated Hall Effect based linear ACS712 current sensor. The sensor gives precise…

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

This is a breakout board for the ST's dual-axis LPY503AL gyro.  The LPY503AL is a MEMS motion sensor that measures angula…

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

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

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

 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…

Freescale’s MAG3110 is a small, low-power, digital 3-axis magnetometer. The device can be used in conjunction with a…

This is the medium sized LED Matrix with a backpack that has been designed to take SPI serial input and display any graphi…

 This is the Large Solder-able Breadboard. A bare PCB that is the exact size as our full-size breadboard with the same…

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

We've heard you, and made a number of improvements to our EL Sequencer. The new version adds zero-crossing optoisolate…

This current sensor gives precise current measurement for both AC and DC signals. These are good sensors for metering and …

This is a breakout for the BC127 Bluetooth Module. The BC127 is a highly flexible, low power, small form factor Bluetooth …

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

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

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

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

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

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

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

This version of the QRE1113 breakout board features an easy-to-use analog output, which will vary depending on the amount o…

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

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

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

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

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

It's blue! It's skinny! It's the Arduino Pro! SparkFun's minimal design approach to Arduino. This is a 3.3…

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

This is the VKey Voltage Keypad, a simple board that adds a keypad to your microcontroller project without using multiple …

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

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

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 PCA9306 dual bidirectional voltage-level translator. Because different parts sometimes us…

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

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

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 …

LiPo batteries are a great way to power your projects. They're small, lightweight, and pack a pretty good punch for th…

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