from machine import Pin
import utime

# Set up the LED pin as an output
led_pin = Pin(16, Pin.OUT) # Pin number 16 is output 

while True:           #Circuito infinito
    led_pin.value(1)  # Turn the LED on
    utime.sleep(1)     # Wait for 2 seconds
    led_pin.value(0)  # Turn the LED off
    utime.sleep(1)     # Wait for 2 seconds

    print ("OPA")