from machine import Pin
from time import sleep
Amas= Pin(19,Pin.OUT)
Amenos= Pin(18,Pin.OUT)
Bmas= Pin(17,Pin.OUT)
Bmenos= Pin(16,Pin.OUT)
while(1):
Amas.value(1),Amenos.value(0),Bmas.value(1),Bmenos.value(0)
sleep(0.1)
Amas.value(0),Amenos.value(1),Bmas.value(1),Bmenos.value(0)
sleep(0.1)
Amas.value(0),Amenos.value(1),Bmas.value(0),Bmenos.value(1)
sleep(0.1)
Amas.value(1),Amenos.value(0),Bmas.value(0),Bmenos.value(1)
sleep(0.1)