from machine import Pin, ADC
from utime import sleep
LDR_Pin = ADC(Pin(13, Pin.IN))
LED_Pin=Pin(2,Pin.OUT)

while True:
    LDR=LDR_Pin.read()
    print('LDR:',LDR)
    if LDR >= 1500:
        LED_Pin.on()
    else:
        LED_Pin.off()
    sleep(0.5)