Building a controller from a 90ies phone keypad: https://blog.jojotodos.net/midictrl1/
I once held a workshop on DIY MIDI controller basics at an artist convention: https://blog.jojotodos.net/midilab/
Just realising now that I never put up a post on the first controller I made which was just simply 8 knobs/pots in a guitar stompbox case. Should do this finally...
