This is the T5403 breakout board, a fully calibrated barometric pressure sensor with an I2C interface. The T5403 sens…

This is a breakout board for Freescale's MPR121QR2. The MPR121 is a capacitive touch sensor controller driven by an I2…

The Copernicus II is a great GPS module from Trimble, but the SMD module prohibits immediate gratification. This DIP allows…

This is the Vernier Interface Shield, a simple add-on to give your Arduino the capability to interface with Vernier sensor…

The ScrewShield extends all pins of the Arduino out to 3.5mm pitch screw terminals. It also has a lot of the utility provid…

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

You talked, we listened, and we've revised our Geiger Counter board to address some of the most pressing concerns. Thi…

  This new version corrects the pin out for the GPX and RESET pins. The USB Host Shield contains all of the digital lo…

This is a three axis accelerometer for the LilyPad system. Based on the ADXL335 MEMS accelerometer from Analog Devices, th…

The LSM303DLMTR is a triple axis accelerometer combined with a triple axis magnetic sensor. This arrangement allows for th…

This AutoDriver makes it easy to put the L6470 Stepper Driver (a.k.a "dSPIN") to work in your project. Simp…

This is the same product as the ProtoSnap LilyPad Development Board. The difference is this version comes in fancy clamshe…

The RFID USB Reader is a simple to use, USB to serial base unit for the ID-3LA, ID-12LA, and ID-20LA readers. Simply plug …

Here is a real time clock based on the DS3234 Real Time Clock IC. The DS3234 is a low-cost, extremely accurate SPI bus rea…

If you use the SparkFun Inventors Kit in a classroom or workshop setting, you know that when a bunch of people get their h…

This handy kit includes both our USB charger and an 850mAh LiPo battery. The USB LiPo Charger is a basic charging circ…

This is a breakout board for InvenSense's ITG-3200, a groundbreaking triple-axis, digital output MEMS gyroscope. The IT…

This module uses the newest 2.4GHz transceiver from Nordic Semiconductor, the nRF24L01+. This transceiver IC operates in t…

This is a breakout board for the incredibly small TMP102 digital temperature sensor. The TMP102 is a digital sensor (I2C a.…

This is essentially a ramped up version of our Ardumoto motor driver shield. For this monster shield we've replaced th…

A simple, very bright, 250mcd, white LED LilyPad. Light up the night! LilyPad is a wearable e-textile technology deve…

This tiny breakout board features the ADMP401 MEMs microphone. One of the key advantages to this breakout and microphone is…

This is the same product as the GPS Shield, but also includes an EM406 GPS receiver and headers. The difference is, this v…

It's blue! It's skinny! It's the Arduino Pro! SparkFun's minimal design approach to Arduino. This is a 5V A…

We've been using and selling Analog Devices' ADXL accelerometers for a good while now, and now we've found ano…

This box of tools is a happy medium between the beginner and deluxe tool kits. Most of the tools necessary to assemble, so…

This tiny audio amplifier is based on the Texas Instruments TPA2005D1. Its efficient class-D operation means low heat and l…

This is a very simple board that takes a 6-12V input voltage and outputs a selectable 5V or 3.3V regulated voltage. All hea…

Your 5 volt system can wield great power with this big beefy relay board. How does 20 amps at 220VAC sound? The Beefcake R…

The Quadstepper motor driver board allows you to control up to 4 bipolar stepper motors simultaneously using logic level I…

 This is the Solderable Breadboard. A bare PCB that is the exact size as our regular breadboard with the same connecti…

This kit is the same product as the Ardumoto Shield but it also includes headers and screw terminals. The board and parts …

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

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

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

This is a breakout board for the SP3485 RS-485 transceiver IC, which will convert a UART serial stream to RS-485. The SP348…

This is a breakout board for Honeywell's HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and d…

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…

This is the LilyPad Arduino Simple Board. It's controlled by an ATmega328 with the Arduino bootloader. It has fewer pi…

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

Here is a very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V …

Don't leave your next physical computing project stranded in a world of black and white! This color sensor module can …

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

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…

This kit was designed to accompany Rob Faludi's Building Wireless Sensor Networks book, which is the comprehensive gui…

 This thru-hole soldering kit is very similar to our Simon Says; First, it's a great way to learn how to sold…

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

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

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