QTPy-knob: Simple USB knob w/ CircuitPython
I like minimal solutions to problems. I was playing with a CircuitPython-enabled QT Py on a breadboard with and a rotary encoder and I ended up making a USB knob, like many others have done before. But I realized: waitaminute, I can literally just plug the encoder directly onto the QT Py… Thus was born [...]
[original story: Todbot]