from machine import Pin
import time

# Entradas: switches
sw0 = Pin(2, Pin.IN, Pin.PULL_DOWN)
sw1 = Pin(3, Pin.IN, Pin.PULL_DOWN)
sw2 = Pin(4, Pin.IN, Pin.PULL_DOWN)
sw3 = Pin(5, Pin.IN, Pin.PULL_DOWN)

# Salidas: LEDs
led0 = Pin(10, Pin.OUT)
led1 = Pin(11, Pin.OUT)
led2 = Pin(12, Pin.OUT)
led3 = Pin(13, Pin.OUT)

while True:
    b0 = sw0.value()
    b1 = sw1.value()
    b2 = sw2.value()
    b3 = sw3.value()

    valor = b0 + (b1 * 2) + (b2 * 4) + (b3 * 8)

    print("Valor decimal:", valor)

    led0.value(b0)
    led1.value(b1)
    led2.value(b2)
    led3.value(b3)

    time.sleep(0.2)