from machine import ADC,Pin
import time

sensor=ADC(Pin(34))#analog pin

sensor.atten(ADC.ATTN_11DB)
#ajustamos el voltajes a 3v

led=Pin(5,Pin.OUT)



def luz():
    if valor<=1000:
        led.value(1)
    else:
        led.value(0)


while True:
    valor=sensor.read()
    print("El valor es de ", valor)
    time.sleep(0.5)
    luz()

valor<=1000
valor>1000 and valor<=1900
valor>1900 and valor<=3000
valor>3000