The smallest, most powerful, and most versatile GPS receiver we carry just got more powerful.The Venus638FLPx is the succe…

Make some noise with your next project! The MP3 Trigger board is built to make it MP3 sound integration easier than ever. …

The Bus Pirate, created by Ian Lesnet and featured on Hack a Day, is a troubleshooting tool that communicates between a PC…

  The LilyPad Design Kit (LDK) is a great way to get started with e-textiles. The LDK includes everything you need to …

This is LilyPad Arduino - the main board consisting of an ATmega328 with the Arduino bootloader and a minimum number of ex…

Description: The Cellular Shield for Arduino includes all the parts needed to interface your Arduino with an SM5100B cellu…

This breakout board makes it easy to use the tiny MMA8452Q accelerometer in your project. The MMA8452Q is a smart low-powe…

The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS…

This is a motor shield for Arduino that will control two DC motors. Based on the L298 H-bridge, the Ardumoto can driv…

This is the same product as the XBee Shield with a multitude of extra parts including 2 XBee modules, the popular XBee Exp…

This is a simple to use, RS232 to serial base unit for the XBee line. This unit works with all XBee modules including the …

This is a breakout board for the Bosch BMP180 high-precision, low-power digital barometer. The BMP180 offers a pressure mea…

Riding on the waves of the very popular Arduino USB board is this small prototyping shield. Originally spawned with collab…

The Fio v3 is a new spin on the Arduino Fio hardware powered by the ATmega32U4.Not only is it small and LiPo-ready, it'…

The ATtiny45 and 85 are a couple of really cool little MCUs but did you know you can program them in Arduino? That's r…

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

The BlueSMiRF is the latest Bluetooth wireless serial cable replacement from SparkFun Electronics! These modems work as a s…

This new version breaks out the PI09, FORCE WAKE, and the hardware reset lines. It also has a different crystal and uses th…

Ready to add audio to your next project? This small breakout board couples a small electret microphone with a 100x opamp t…

This is a simple breakout board for the SHT15 humidity sensor from Sensirion. The SHT15 digital humidity and temperature…

If you need to charge LiPo batteries, this simple charger will do just that. It is designed to charge single-cell Li-Ion o…

This is a breakout board for Honeywell's HMC5883L, a 3-axis digital compass. Communication with the HMC5883L is simple…

 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 b…

Here at SparkFun, we refuse to leave 'good enough' alone. That's why we're adding to our line-up of Arduin…

This is a very simple breakout board for the popular HMC6352. Remember the KISS mantra? We really enjoy the simplicity and…

This is the latest version of our popular through-hole Simon Says Kit. We've made some changes to the board that should…

The TB6612FNG motor driver can control up to two DC motors at a constant current of 1.2A (3.2A peak). Two input signals (IN…

Update: After taking a figurative lashing from the comments section we're begging for mercy by updating the microSD Sh…

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

 The HTU21D is a low-cost, easy to use, highly accurate, digital humidity and temperature sensor. This sensor is ideal…

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The LiPo Charger Basic is str…

Life has its ups and downs, so why not measure them? The MPL3115A2 is a MEMS pressure sensor that provides Altitude data t…

It's not the heat but the humidity that gets you, at least that's what they say. Really, both are important, what y…

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

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The USB LiPo Charger is a bas…

Breakout board for the microSD socket that is not much bigger than your fingernail. Compatible with the SPI interface found…

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

The Hack Pack Workshop Supply Kit is a great way to get your hackerspace, classroom or communal workshop stocked with basi…

This is the same product as the Makey Makey Standard Kit. The difference is this version comes in fancy clamshell packagin…

Sure, your flashing, chip-tune playing t-shirt is really cool at the party... but at some point you need to turn it off. A…

This new version uses an SMD 5x2 header. This is a simple to use USB AVR programmer. It is low cost, easy to use, works gr…

The RN-52 Bluetooth from Roving Networks is an audio module that makes it simple for you to create a hands free audio syst…

This is a breakout board for Freescale's MMA7361L three-axis analog MEMS accelerometer. The sensor requires a very low…

The Raspberry Pi packs plenty of processing power in a small and inexpensive package and that makes it perfect for robot b…

We picked our very best tools and put together the ultimate kit of the tools we use on a daily basis. Whether you're a …

 The RedBot Mainboard is a robotic development platform that works with the Arduino IDE. The RedBot is a motor driver …

The BlueSMiRF HID is essentially the same board as the BlueSMiRF Silver but the populated RN-42 comes loaded with the HID f…

The WTV020SD is a small, simple IC for embedding audio-playback into your next project. These devices are commonly used in…

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

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 logic …