from machine import Pin, ADC
from time import sleep


photo = ADC(Pin(27))  
led = Pin(1, Pin.OUT)  


lux_threshold = 1000 


adc_to_lux_factor = 0.1  

while True:
   
    current_photo_value = photo.read_u16()

    
    estimated_lux = current_photo_value * adc_to_lux_factor

   
    print("Estimated Lux:", estimated_lux)

   
    if estimated_lux < lux_threshold:
        led.value(1)  
        print("Security breach detected - low light.")
    else:
        led.value(0)  
        print("Light level is sufficient.")

    sleep(1)