# Professor Cristiano Teixeira.
# Sob Licença Apache 2.0

print("INICIO")

from machine import Pin
import time

aciona1 = Pin(2, Pin.OUT)
aciona2 = Pin(4, Pin.OUT)

while True:    
    aciona1.on()
    aciona2.off()    
    time.sleep(3)
    aciona1.off()
    aciona2.on()    
    time.sleep(3)
NOCOMNCVCCGNDINLED1PWRRelay Module
NOCOMNCVCCGNDINLED1PWRRelay Module