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)