Rotary encoders are electromechanical transducers that convert angular displacement into corresponding electrical signals ...

The USB Knob is a versatile device that combines the functionality of a rotary encoder with the convenience of a USB interface. It is based on the cheap CH32V003 32-bit RISC-V microcontroller. One of ...

This product is open source! Various bits of the code have different licenses applied. Anything SparkFun wrote is beerware; if you see me (or any other SparkFun employee) at the local, and you've ...