The popular development board and all its shields, cases, and accessories.


Add some sound to your next project with MP3 boards, synthesizers, breakouts and more.


Grab a book and teach yourself something new.

Breakout Boards

If you need to prototype something, breakout boards are the perfect shortcut to get up and running quickly.


From USB, audio, video, or general prototyping cables; here you can find all you need to get your devices connected together.


Buttons, switches, LEDs, and all the other general parts you need to build your next creation.

Development Tools

The brains of the operation. Choose your favorite development platform.

Dings and Dents

Anything that doesn't get sold as a product usually ends up here. Bare PCBs, scrapped builds, or one-off products can be found here.


Get your bulk-packed classroom materials here.


Get accurate positioning information with the help of GPS.

Intel® Edison

The Intel Edison is an ultra small computing platform that will change the way you look at embedded electronics.


Internet of Things! Electronics, sensors, and connectivity for you to exchange data between your devices and other sources.


Learn how to solder, program, and more with our kits.


Add a graphic interface with a color or monochrome LCD.


All the parts necessary to prototype your design.

Raspberry Pi

Cases, accessories, and everything you need for your Pi.


Get moving with robotics. Wheels, motors, controllers, and all things mechatronic.


Detect your environment with various sensors. Motion, sound, vision, temperature, and more.


Show off your inner geek with SparkFun swag.


Get building with hand tools, soldering irons, and power supplies.


Wearable electronics and materials.


Need a board for a specific application? Check out or SparkFun widgets.


Cut the cord and communicate wirelessly.


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Recent Product Comments

Hmm. Your SAMD21 platform is not pulling in the BUFFER_LENGTH define that is usually in Wire.h. The quickest fix is to throw a #ifndef…
Is it possible to talk to more than one BQ27441-G1A on the same I2C bus , I looked through the data sheet but don’t seem to see if its…
Hi! I am using this sensor and this works perfectly in Arduino but if I use samd21, I get this error:…
Thanks for the fast reply Byron. Can confirm it’s working well with the due. I just needed a custom initialization on the fortyseveneffects…
I bought this device along with the Myoware Cable Shield and my device is giving me incorrect readings. The red light to say that the…
Would this be good for people like me who have only used an uno or is it much more advanced?
What are your thoughts on motor voltage rating? The board when used with say an arduino 5V is often paired with 3V motors and I’m not sure…
It doesn’t work without battery. Please remove “This board provides you with the option of either not having to use a battery at all while…
The first thing to try is just hooking it up. Sometimes it’ll just work at 3.3V. Since the Due has regulated 5V available, you could use a…
Works great! I tried it with arduino uno and arduino leonardo. Can anyone point me to a resource on how to use this with a 3.3v micro? i…