The name says it all on this one. An ATmega328 in DIP package, pre-loaded with the Arduino Optiboot (Uno 16MHz) Bootloader…

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

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…

The KTA-223 Relay Board is a USB or RS485 controlled module that can interface a PC to eight or more SPDT relays. This cou…

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

 Do you need an easy to use interface for your LCD screen? The LCD Button Shield just might be your answer! Moving thr…

So you want your Arduino to surf the web but you don't have room for the Arduino board plus the Ethernet Shield. What …

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

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

By popular request, we're selling the always-handy ProtoShield PCB on its own! Originally spawned with collaboration b…

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

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

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

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

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 …

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

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

 The arLCD from EarthMake is an easy and cost effective way to have a touchscreen LCD in your Arduino project. Th…

Have you always been curious about sensors but never knew where to start? The Qtechknow ArduSensor Learning Kit for Arduin…

The RFM22 is a low-cost ISM FSK transceiver module which offers communication at 433MHz ISM and adjustable output power of …

This shield allows you to use a computer power supply (or other power source) to use your Arduino to switch high current. …

The Teensy is a breadboard-friendly development board with loads of features in a, well, teensy package. The Teensy++ brea…

 This is the NeoPixel Shield from Adafruit. This Arduino shield is equipped with 40 WS2812 RGB LEDs arranged in an 5x8…

DescriptionThis is a Arduino-compatible autopilot board designed by Chris Anderson and Jordi Muñoz of DIY Drones us…

This board is an evaluation platform for the SM130 RFID module. It includes an XBee header, PCB trace antenna, and has the …

This is the Arduino shield version of our TLC5940 Breakout. The PWM Shield will allow you to generate up to 16 PWM signals…

This is the retail version of our FTDI Basic 3.3v. This is the same as our regular FTDI Basic, but in retail packaging. …

Give your Arduino some musical chops! The MP3 player shield unleashes the awesome MP3 decoding abilities of the VS1053B MP3…

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

The VoiceBox Shield can be mounted on top of your Arduino board to give it access to all of the capabilities of the SpeakJe…

It's blue! It's thin (0.8mm)! It's the Arduino Pro Mini in retail packaging! SparkFun's minimal design app…

As you know,  the Arduino micro controller only has a USB port and a TTL UART interface, so if you need an RS232 port…

As you may already know, the Arduino Ethernet Shield allows an Arduino board to connect to the internet, which is awesome.…

This is the same product as the Music Instrument Shield. The difference is this version comes in fancy clamshell packaging…

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

Sometimes you've got way too many inputs, or outputs... or both. How are you going to get them all connected to your Ar…

Is there anything an Arduino can't do? Well, for one, most of them can't be powered directly from a 3.7V LiPo batt…

There is really nothing like a well-designed project enclosure. Really, a clean enclosure can add a lot to a project. This …

This is the same product as the microSD Shield but also includes the headers. This version comes in fancy clamshell packag…

The RedBoard - BreadBoard Kit allows you to assemble your very own Uno-compatible development board on a breadboard. If yo…

The RedBoard Breadboard Kit allows you to assemble your very own Arduino-compatible development tool on a breadboard. If y…

Arduino is an open-source physical computing platform based on a simple i/o board and a development environment that imple…

 We love 7-segment displays and we know you do too, so we have made the easiest (arguably) to use medium for you to ge…

Do you like LED matrices? We do! Now we are giving you the power to make your own with minimal soldering any beginner can …

The MPR121 IC is a great way to build simple capacitive touch interfaces, and now it's even easier to incorporate into…

The Open Music Labs Codec Shield gives your Arduino (or Maple) development board access to the all of the audio processing…

This is a Arduino-compatible autopilot board designed by Chris Anderson and Jordi Muñoz of DIY Drones using the new …

 We love 7-segment displays and we know you do too, so we have made the easiest (arguably) to use medium for you to ge…

The Modkit MotoProto Shield for Arduino that makes it easy to connect up to 4 sensors and control two DC motors as well as…