I’m planning on building a foot-controlled musical instrument. First, I’ll need some floor switches like these: https://www.instructables.com/Floor-Switches-Mats/

I’ll be using some sort of microcontroller or microcomputer, like A Raspberry Pi or a Micro:bit, but I haven’t made that selection yet.

It might be something more like this: https://www.instructables.com/Build-an-Easy-Floor-Piano/

I might use this for capacitive sensing to make it one wire per sensor… https://learn.browndoggadgets.com/Guide/Capacitive+Touch+v1/239