from machine import Pin
import time

# Relay pin
relay_pin = Pin(1, Pin.OUT) # GP1

# Input signal pin
input_signal_pin = Pin(2, Pin.IN, Pin.PULL_DOWN) # Change pin number as per your connection

# Function to turn off the relay
def turn_off():
    relay_pin.off()
    print("Turning off stepper motor")

# Function to turn on the stepper motor
def turn_on():
    relay_pin.on()
    print("Turning on stepper motor")

# Infinite loop to listen for input signal
while True:
    if input_signal_pin.value() == 1:
        turn_on()
        time.sleep(1) # Wait for 1 second
    else:
        turn_off()
        time.sleep(1) # Wait for 1 second