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

I see that both this one selected, and the older, retired, retail design contain amber LED devices. Any problem with my swapping them for…
The only CAD files we currently have are the Eagle files, where…
I wrote a library for the MS5803-XX which is here: It was also incorporated into the i2cdevlib at…
I received 1 of these in the last “Ding and Dent Production Builds” order. But I did not have enough time to check what is working.
This is really cool, thanks for inventing it. Is there a CAD (.step) file of the physical thing available? I’d like to make a thing that…
——————– Tech Support Tips/Troubleshooting/Common Issues ——————– Fritzing Part Old Fritzing Part => […
Can someone post MicroSD cards here that work? I tried a 32gb card I already had and I get the -84/-110 error. I purchased a class 4 32gb…
A few issues with mine: - Pulling EN low is still outputting ~ 1V on the output. - Setting voltage jumper to 3.3V is only outputting 3.18V -…
I have just bought this board and although it does what is says it uses 20mA? I have the board connected to a 3.3V regulated power source as…
Has anyone been able to use two or more MS5803-14BA sensors at the same time and on the same arduino board? Tried using a multiplexer, but…