from machine import ADC, Pin, PWM
import time

ldr=ADC(Pin(34))
ldr.atten(ADC.ATTN_11DB)

buzzer=PWM(Pin(25))
buzzer.duty(0)#señal de corriente

led=Pin(33,Pin.OUT)

def controlbu(valor):
    if valor > 3000 and valor < 4000:
        buzzer.freq(500)
        buzzer.duty(512)
        led.value(1)

    elif valor >= 2000 and valor <= 3000:
        buzzer.freq(1000)
        buzzer.duty(512)
        led.value(0)
    
    elif valor < 2000:
        buzzer.freq(2000)
        buzzer.duty(512)
        led.value(0)
    else:
        buzzer.duty(0)
        led.value(0)

while True:
    valor=ldr.read()
    print("La cantidad de luz es ")
    print(valor)
    controlbu(valor)
    time.sleep(0.5)