The SparkFun Inventor's Kit (SIK) is a great way to get started with programming and hardware interaction with t…

This is the new Arduino Uno R3. In addition to all the features of the previous board, the Uno now uses an ATmega16U2 inst…

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

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

You may be the greatest living banana-pianist, but how will you ever know if you don't make yourself a banana piano? G…

This is the newest revision of our FTDI Basic. We now use a SMD 6-pin header on the bottom, which makes it smaller and mor…

OpenLog is an open source data logger. Simple to use, simple to change. We wanted to create a serial logger that just work…

Xbee radios are an awesome way to add wireless capability to your Arduino project and now it's even easier with the XBe…

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

This is the newest revision of our FTDI Basic. We now use a SMD 6-pin header on the bottom, which makes it smaller and mor…

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

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

This shield gives the Arduino CAN-Bus capability. It uses the Microchip MCP2515 CAN controller with MCP2551 CAN transceive…

The Arduino Funnel I/O (Fio) is a board designed by Shigeru Kobayashi, based on the original design from LilyPad. Funn…

This new revision of the MP3 player shield retains the awesome MP3 decoding abilities of the last version but adds the stor…

 The Due is Arduino's first ARM-based Arduino development board. This board is based on a powerful 32bit CortexM3 …

You may be the greatest living banana-pianist, but how will you ever know if you don't make yourself a banana piano? G…

This is the new Arduino Uno R3. In addition to all the features of the previous board, the Uno now uses an ATmega16U2 inst…

The Teensy is a breadboard-friendly development board with loads of features in a, well, teensy package. The Teensy 3.1 br…

 The Weather Shield is an easy to use Arduino shield that grants you access to barometric pressure, relative humidity,…

Want to start playing with sensors, but don't know where to start? This kit includes a sensor for just about every job…

 At SparkFun we use many Arduinos and we're always looking for the simplest, most stable one. Each board is a…

The FTDI cable is a USB to Serial (TTL level) converter which allows for a simple way to connect TTL interface devices to …

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

Most widgets could benefit from a shiny touchscreen interface. Unfortunately, it's usually not easy to hook up a touch…

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…

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'…

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

The Arduino Ethernet Shield allows an Arduino board to connect to the internet. It is based on the Wiznet W5100 ethernet ch…

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

The FTDI cable is a USB to Serial (TTL level) converter which allows for a simple way to connect TTL interface devices to …

The Arduino WiFi Shield allows an Arduino board to connect to the internet using the 802.11 wireless specification (WiFi).…

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

We've been prototyping for a long time on these awesome little plastic plates but it's time for an upgrade. This v…

Ever get a new sensor from SparkFun and want to test it out quickly? Maybe you want to do more processing on that data tha…

Do you make time to talk to your Arduino? Maybe you should! The EasyVR Shield 2.0 is a voice recognition shield for Arduin…

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

These headers are made to work with the Arduino Uno R3, Leonardo and new Arduino boards going forward. They are the perfec…

Most widgets could benefit from a shiny touchscreen interface. Unfortunately, it's usually not easy to hook up a touch…

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…

The Teensy is a breadboard-friendly development board with loads of features in a, well, teensy package. The Teensy 2.0 br…

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

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

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

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…

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…

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…

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…

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. …

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

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…

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

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

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. …

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

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

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…

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

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

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

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…

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…

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

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

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

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

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

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

 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…

Developed by Dave Vondle and IDEO Labs, this board is essentially the same as our Power Driver Shield, but the through-hol…

Our friends over at LinkSprite have made this nifty little RS485 Shield, now you will be able to have a communication port…

Ethernet connectivity is a great way to get your Arduino talking to other systems all over the world (or at least the netw…

This is a small prototyping shield for the Arduino Pro Mini. If your project requires just a little bit more space for your…

 Introducing the 3.3V FT231X Breakout board, complete with the full UART hardware handshake feature! The pinout of thi…

Did you know that your Arduino can spawn other Arduinos? Don't worry, it can't do it autonomously so you won't…

Do you need "Mega" power in a "Mini" package? We can do that! We're continuing our Pro series of A…

This is the same product as the WiFly Shield. The difference is this version comes in fancy clamshell packaging meant for o…

The 4x4 Driver Shield is designed to enable users to switch DC loads up to 5A at up to 30V with no heat-sinking. It is ide…

This is the same product as the ProtoShield Kit. The difference is this version comes in fancy clamshell packaging meant f…

This is the same product as the ProtoScrewShield. The difference is this version comes in fancy clamshell packaging meant …

 This base plate holds an Arduino and a self-adhesive clear breadboard and provids two screws which give you a more so…

This Relay Shield from Evil Mad Scientist is a simple Arduino add-on that gives your Arduino the ability to control a…

 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…

You hear it all the time in the Arduino community, "will this shield work with my other shield?." I think we'…

The Arduino Display Adapter is a simple Arduino Shield designed to provide a convenient interface to attach 4D Systems dis…

 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…

This is the same product as the Joystick Shield Kit. The difference is this version comes in fancy clamshell packaging mean…

The VoiceBox Shield can be mounted on top of your Arduino, to give it access to all capabilities of the SpeakJet voice and …

Stack 'em high! This extension plate for the clear pcDuino/Arduino enclosure from LinkSprite will give your project a l…

 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 SerIO is a serial interface platform for creating physical computing projects controlled from a computer. The board gi…

This is the same product as the ProtoSnap Pro Mini. The difference is this version comes in fancy clamshell packaging mean…

This is a wire assembly terminated with the same 8-pin JST-SH connector which is on the Mega Pro Mini. Pick up a few of th…

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

This is the same product as our PoEthernet Shield. The difference is this version comes in fancy clamshell packaging meant…

The Arduino Leonardo arrived on the scene to great applause. This was followed by the creeping realization that, because o…

This is the same product as the RFM22 Shield. The difference is this version comes in fancy clamshell packaging meant for …

The TellyMate Shield equips an Arduino with the ability to send simple text and graphics to a TV. The TellyMate Shield conn…

We know what you're thinking: "That is awesome... what is it?" This is an Arduino shield with pogo pin conne…

The Joystick Shield sits on top of your Arduino and turns it into a simple controller. Five momentary push buttons (4+ joy…

 This shield makes it easy to connect up a pair of HUB-ee wheels to an Arduino Uno or Leonardo board. You can power tw…

This shield allows you to interface Wixel wireless modules to your Arduino (and other compatible products), enabling simpl…

The Color LCD Shield, recommended by and designed in partnership with an SFE customer, provides an easy method of connectin…

NOTE: The Galileo is for pre-order only. We do not yet have a firm ETA on our initial shipment and are uncertain how many …