program1.py

import time
import RPi.GPIO as GPIO #type: ignore
from datetime import datetime

GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD)

def main():
    # My design uses pin 12 as input and pin 11 as output.
    INPUT_PIN = 12
    LED_PIN = 11
    RUNTIME = 10  # Run for 10 seconds
    
    GPIO.setup(INPUT_PIN, GPIO.IN)  # sets pin as input
    GPIO.setup(LED_PIN, GPIO.OUT, initial=GPIO.LOW)  # sets pin as output
    
    start_time = time.time()
    
    try:
        while (time.time() - start_time) < RUNTIME:
            input_state = GPIO.input(INPUT_PIN)  # returns True if input high
            
            if input_state == GPIO.HIGH:
                GPIO.output(LED_PIN, GPIO.HIGH)  # Turn LED on
                print("led on")
            else:
                GPIO.output(LED_PIN, GPIO.LOW)   # Turn LED off
                print("led off")
            
            time.sleep(1)  # Small delay to prevent CPU overload
    
    except KeyboardInterrupt:
        print("Exiting...")
    finally:
        GPIO.cleanup()

main()