/* Project: default */
  unsigned long Frecuencia_ = 0;
  
  void setup()
  {
    pinMode(14, NOT_INPUT_PULLUP);
    pinMode(12, NOT_INPUT_PULLUP);
    pinMode(2, NOT_INPUT_PULLUP);
    Serial.begin(115200);
  }
  
  void loop()
  {
    if(millis() - Frecuencia_ > 500){
    Frecuencia_ = millis();
    Serial.println((String(digitalRead(14)) + String(digitalRead(12)) + String(digitalRead(2))));}
  }