from machine import ADC, Pin
from time import sleep

ldr=ADC(Pin(26))
led = Pin(14, Pin.OUT)

while True:
    light_value = ldr.read_u16()
    print("Light value: ", light_value)

    if light_value < 30000:
        led.on()
        print("Street light ON")
    else:
        led.off()
        print("Street light OFF")
        sleep(1)