SparkFun will be closed Nov 26th and 27th for the Thanksgiving holiday. Orders placed after 2:00pm MT on the 25th will ship out Monday the 30th.


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.

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.


All Tags

Recent Product Comments

Well this is kinda weird - I didn’t realize that these were 5 volt devices, but I figured since I was prototyping on an Uno I could get the…
Newbie at this kind of thing. Got this board and four of the linked stepper motors and I admit I’m thoroughly confused. Any chance you guys…
Please ignore…I just found the previous versions link above.
Hi, I seem to have a different version of the board than is shown here, including the schematics. My board has a FT232RL, no reset switch,…
Besides reflow soldering, is there another method this module could be soldered to, say miniature connectors? Is there such a thing?
Could someone who has used the SO3 give an idea of what speeds it is capable of, both cutting and jogging. I’m real tempted but I want to…
Potential improvement: connect the battery to V_VBAT_BKUP in power-off mode (maybe always?) so that the RTC keeps ticking.
Sorry, haven’t been here in a while. As I mentioned in other places I got a datasheet from Taiwan, I first of all programmed my uC to send…
I want to control a CFL using this relay. I have to control the same CFL in two modes, one is using an AC switch and the other is using this…