from machine import Pin, ADC
import time

pir = Pin(15, Pin.IN)
led = Pin(14, Pin.OUT)
buzzer = Pin(13, Pin.OUT)
ldr = ADC(26)  # AO connected to GP26

DARK_THRESHOLD = 30000  # adjust as needed

while True:
    motion = pir.value()
    light = ldr.read_u16()

    print("Motion:", motion, "Light:", light)

    if motion == 1 and light < DARK_THRESHOLD:
        led.value(1)
        buzzer.value(1)
    else:
        led.value(0)
        buzzer.value(0)

    time.sleep(0.5)