void setup() {
  pinMode(2, INPUT);
  pinMode(3, OUTPUT);
  Serial.begin(9600);

}

void loop() {
  bool boton = digitalRead(2);
  Serial.println(boton);
  delay(250);
  if (boton == HIGH) {
    digitalWrite(3, HIGH);
    Serial.println("Boton pulsado");
  } else {
    digitalWrite(3, LOW);
    Serial.println(" Boton no pulsado");
  }

}