from machine import Pin
from time import sleep
A1=Pin(5,Pin.OUT)
A2=Pin(4,Pin.OUT)
B1=Pin(2,Pin.OUT)
B2=Pin(15,Pin.OUT)
boton=Pin(13,Pin.IN,Pin.PULL_DOWN)
while(1):
if boton.value()==0:
A1.value(1)
B1.value(1)
A2.value(0)
B2.value(0)
sleep(0.1)
A1.value(0)
B1.value(1)
A2.value(1)
B2.value(0)
sleep(0.1)
A1.value(0)
B1.value(0)
A2.value(1)
B2.value(1)
sleep(0.1)
A1.value(1)
B1.value(0)
A2.value(0)
B2.value(1)
sleep(0.1)
else:
A1.value(1)
B1.value(0)
A2.value(0)
B2.value(1)
sleep(0.1)
A1.value(0)
B1.value(0)
A2.value(1)
B2.value(1)
sleep(0.1)
A1.value(0)
B1.value(1)
A2.value(1)
B2.value(0)
sleep(0.1)
A1.value(1)
B1.value(1)
A2.value(0)
B2.value(0)
sleep(0.1)