import machine
from machine import Pin
#Salidas
ledRojo = Pin(1, Pin.OUT)
ledAzul = Pin(2, Pin.OUT)
ledVerde = Pin(3, Pin.OUT)
ledAmarillo = Pin(0, Pin.OUT)
#Entradas
SliderA = Pin(4, Pin.IN,Pin.PULL_UP)
SliderB = Pin(5, Pin.IN,Pin.PULL_UP)


#Decodificador 2 entradas y 4 salidas

while True:
    A = SliderA.value()
    B = SliderB.value()

    s3 = (not A and not B)
    ledAmarillo.value(s3)

    s2 = (B and not A)
    ledVerde.value(s2)

    s1 = (A and not B)
    ledAzul.value(s1)

    s0 = (A and B)
    ledRojo.value(s0)