Rpi Pico MicroPythpn Controlling TMC2208 / TMC2209 / TMC2225 Stepper Motor Driver Problem - Asked 2021dec27, Viewed 553 times
    https://raspberrypi.stackexchange.com/questions/135191/rpi-pico-micropythpn-controlling-tmc2208-tmc2209-tmc2225-stepper-motor-drive
    
    from machine import Pin
    import utime
    
    direction = Pin(14, Pin.OUT)
    step = Pin(15, Pin.OUT)
    enable = Pin(13, Pin.OUT)
    
    enable.low()
    direction.high()
    
    def stepOne():
      step.high()
      utime.sleep(0.001)
      step.low()
    
    while True:
        stepOne()
        utime.sleep(0.1)