QTPy-knob: Simple USB knob w/ CircuitPython – todbot blog
todbot.com
QTPy-knob: Simple USB knob w/ CircuitPython – todbot blog
A pragmatic introduction to electrical engineering, covering topics such as the BASIC Stamp 2, lights and switches, voltage and current, LEDs, and interfacing with switches and seven segment displays.
Linkthe direction they’ve just come, the Curta prototype