from machine import Pin
import time

# PIR sensor pin
pir = Pin(13, Pin.IN)

# LED pin (simulating room light)
light = Pin(2, Pin.OUT)

# Track last motion time
last_motion_time = 0
motion_timeout = 120  # 2 minutes in seconds

while True:
    if pir.value() == 1:   # Motion detected
        print("Motion detected! Light ON.")
        light.value(1)
        last_motion_time = time.time()  # reset timer
    else:
        # Check how long since last motion
        if time.time() - last_motion_time > motion_timeout:
            light.value(0)
            print("No motion for 2 minutes. Light OFF.")
    
    time.sleep(1)  # check every 1s