LED Gumball Machine

The world is analog. Use analog to digital conversion to help digital devices interpret the world.

A quick introduction to accelerometers, how they work, and why they're used.

A tutorial on electronics' most overlooked and underappreciated component: the switch! Here we explain the difference between momentary and maintained switches and what all those acronyms (NO, NC, SPDT, SPST, ...) stand for.

A brief history of how ASCII came to be, how it's useful to computers, and some helpful tables to convert numbers to characters.

OpenScale allows you to have a permanent scale for industrial and biological applications. Learn how to use the OpenScale board to read and configure load cells.

A weather station kit that is built on top of the inexpensive, easy-to-use micro:bit and Microsoft MakeCode.

Running low-power machine learning examples on the SparkFun Edge can now be done using the familiar Arduino IDE. In this follow-up to the initial Edge tutorial, we'll look at how to get three examples up and running without the need to learn an entirely new SDK.

A comparison of analog and digital temperature sensors. Which is better?