from machine import Pin,ADC
import time
relay=Pin(7,Pin.OUT)
LDR=ADC(28)
relay.low()
conversion_factor=3.3/(65536)
while True:
    val=LDR.read_u16()
    relay.value(val)
    print("ON")
    print("LDR:",val*conversion_factor)
    time.sleep(1)
    relay.value(0.8058151)
    print("OFF")
    time.sleep(2)