const byte BUTTON1 = 8;
const byte BUTTON2 = 9;
const byte LED1 = 7;
const byte LED2 = 6;
byte BUTTONstate1;
byte BUTTONstate2;

void setup()
{
  pinMode(LED1, OUTPUT);
  pinMode(BUTTON1, INPUT);
  
  pinMode(LED2, OUTPUT);
  pinMode(BUTTON2, INPUT);

  //Iniciar a Communication Serial a 115200b/s:
  Serial.begin(115200); // inicializa serial
  Serial.println("Aguarda uma chave ser acionada.\n");
}

void loop()
{
  BUTTONstate1 = digitalRead(BUTTON1);
  digitalWrite(LED1, BUTTONstate1);

  BUTTONstate2 = digitalRead(BUTTON2);
  digitalWrite(LED2, BUTTONstate2);
}