from machine import Pin
import time

step_pin = Pin(14, Pin.OUT)  
dir_pin = Pin(12, Pin.OUT)  
led = Pin(2, Pin.OUT)  

def step_motor(steps, direction):
    dir_pin.value(direction)  
    for _ in range(steps):
        step_pin.value(1)
        led.value(1)  # Blink LED to simulate step pulse
        time.sleep(0.001)
        step_pin.value(0)
        led.value(0)
        time.sleep(0.001)  

while True:
    step_motor(200, 1)  # Rotate forward
    time.sleep(1)
    step_motor(200, 0)  # Rotate backward
    time.sleep(1)