again burn Oblong diy midi controller Minimal Moment Sweeten
This is how I build my own MIDI controllers for less than US$40.00 (and how you can build yours, too - The Nerd Musician
Build a MIDI Controller with Arduino -
MIDI fader controller with Arduino - Make:
Make Your Own MIDI Controller With An Arduino | Hackaday
How to get a 16 potentiometer 19 button midi controller to run off a single Arduino Nano? All videos I've seen limit it to 16 buttons and 6 potentiometers. Project is called