import machine
import utime

# Configuración de pines
led1 = machine.Pin(26, machine.Pin.OUT)
led2 = machine.Pin(6, machine.Pin.OUT)
led3 = machine.Pin(18, machine.Pin.OUT)

# Ciclo infinito
while True:

    # LED1 encendido
    led1.value(1)
    led2.value(0)
    led3.value(0)
    utime.sleep(1)

    # LED2 encendido
    led1.value(0)
    led2.value(1)
    led3.value(0)
    utime.sleep(1)

    # LED3 encendido
    led1.value(0)
    led2.value(0)
    led3.value(1)
    utime.sleep(1)