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)