Mixer 0.1 is my first approach to building a compact universal controller for music programs. It features 5 “channels”, each with one slider, 5 knobs, one button with LED attached and a vu meter. It’s all made to fit on a standard EU pcb of 16x10cm.
More pictures and video on the bottom of this article!
Kicad schematic of the beta and the Arduino patch can be downloaded [here]