He built this set of three foot pedals which have gone through two versions ... this is adding a couple of wooden spacers next to the switch so that accidentally sanding on a button doesn ...
This is a solder paste dispenser. The controller supports unipolar and bipolar stepper motors, a foot pedal switch, an OLED display, a LED that blinks faster when the motor runs faster, and a menu ...
You can use an existing ESP32 pedal (like Spark Box) or create your own, or use something like an M5Core which has switches on the case (not foot pedal worthy, but good for a demonstration). Works ...
[forrest] passed along this diy foot-pedal ‘midi’ controller ... local radio shacks clearance bin. Since the pedals are simple momentary on switches, it was a matter of wiring them to the ...