A midi controller with buttons, potentiometers and display.
Freshynex
1
ESP32 usb midi controller
0xFEEDC0DE64
Open replacement controller board for surplus Motorola PMUN1046A relay boxes: ESP32-C3, CANopen control, 10 x 15 A channels. Independent project, not affiliated with Motorola Solutions.
aramder
0
A stepper controller and driver board combining a TMC5160 and RP2040.
janelia-kicad
Robot Hardware Controller
MASLAB
Motor RPM controller - Phase angle controlled
mbuesch
Open Modular Music Controller – Build your own custom hardware controller
DennisSchulmeister
Code for Pond controller
cmarrin
Open source motor controller and signal decoder for model railways.
SebastianOberschwendtner