How to Make Simple Stepper Motor Controller without any programming at all. The device uses DVR8825 stepper motor driver and 74HC14 Schmitttrigger.
Stepper Motors Nema 17: https://s.click.aliexpress.com/e/_d84...
DVR8825 stepper motor driver: https://s.click.aliexpress.com/e/_Anmk61
Circuit and info: https://github.com/electricalpro/Ste...