import time
import machine
dir_pin = machine.Pin(12,machine.Pin.OUT)
step_pin = machine.Pin(14,machine.Pin.OUT)
def move_stepper(direct,steps, delay, accel):
dir_pin.value(direct)
steps = abs(steps)
for i in range(steps):
step_pin.value(1)
time.sleep_us(delay)
step_pin.value(0)
time.sleep_us(delay)
def stop_stepper():
step_pin.value(0)
while True:
move_stepper(1,200,2000,5)
time.sleep(2)