This was a project long time ago, it did not demostrate my current ablility!!! It uses STM32F107 to implement a 4 axis stepper motor control, it supports both trapiziodal and s curve profile. Four ...

This project is for a simple MIDI controller based on a single motorized fader in a small box, using USB for both MIDI communication and power. The motorfader is an ALPS RS60N12M9000A, I bought a few ...