from machine import Pin, ADC, PWM
import utime


sensor = ADC(Pin(34))
sensor.atten(ADC.ATTN_11DB)
sensor.width(ADC.WIDTH_12BIT)


servo = PWM(Pin(21), freq=50)


umbral = 1000


def mover_servo(angulo):
    duty = int((angulo / 180) * 75 + 40)
    servo.duty(duty)


while True:
    luz = sensor.read()
    print("Lectura:", luz)


    if luz >= umbral:
        mover_servo(180)
    else:
        mover_servo(0)


    utime.sleep(0.5)