Arduino

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

Audio

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

Books

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.

Cables

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

Components

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.

Educators

Get your bulk-packed classroom materials here.

GPS

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.

IoT

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

Kits

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

LCDs

Add a graphic interface with a color or monochrome LCD.

Prototyping

All the parts necessary to prototype your design.

Raspberry Pi

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

Robotics

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

Sensors

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

Swag

Show off your inner geek with SparkFun swag.

Tools

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

Wearables

Wearable electronics and materials.

Widgets

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

Wireless

Cut the cord and communicate wirelessly.

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Recent Product Comments

The control pin can be used to modulate some led at 38Khz for IR use? Thanks.
Got it, thanks! I’m always curious what’s different when there’s a new revision of a product.
I’ve followed the hookup guides carefully, including unplugging and replacing the module, and I still can’t get past the red box. I’ve…
It should be well-protected against a lower-than-specced input voltages. If the input voltage is below the battery voltage, the BQ24075 will…
I see that the minimum input voltage is 4.35V. If you used something like a solar panel (or array) that may drop below that voltage would it…
It could work…if you isolate both chargers from each other. You’d need separate USB/VIN supplies for each charger - they couldn’t share a…
This is a revision of that product. They still have the same function but the revision has an updated filter for better performance. There…
How is this different from BOB-09964?
The charge rate makes no difference to me, if it takes longer to charge that’s fine. If you use 2 of [SparkFun Battery Babysitter - LiPo…