detect all the colors of the rainbow (except indigo)

play MP3 files with only your microcontroller

An I2C to ... whatever! interface

Turn your Feather into a game controller!

Digital Proximity, Ambient Light, RGB, and Gesture Sensor

computers are overrated anyhow

A sensor to sense the presence of different gasses in the air we breathe.

they're a dime a dozen. Lets use them!

Build your own mini thermal camera