print("Hello, LDR!")

from machine import Pin, ADC
from utime import sleep

LDR_Pin = ADC(Pin(12, Pin.IN))

while True:
    kecerahan_cahaya = LDR_Pin.read()
    voltage = kecerahan_cahaya / 4096 * 5.0
    print('The voltage detected is :', voltage)

    if 2 < voltage < 5:
        led.off()
        #servo.motor(180)
        #skrin.text('Tidur Kelas Awal')
    elif 

    sleep(3)