DIY Arduino Midi Controller for Line6 M5

Arduino midi controller for patch changes. I still use my old Line 6 M5 a lot, but changing presets has always been a pain. I used an Arduino nano to make a foot switch that selects any of the first 12 presets. It works either in a latching mode, toggling the effects on or off, or momentary mode where the effect is only on when the switch is pressed. (forgot to demo this). Code and diagram are here: Here’s a much simpler, one button controller for Ableton that I’ve recently made: htt