int led = 7; 
  int boton = 4;
  void setup() {
    pinMode(led, OUTPUT);
    pinMode(boton, INPUT);
    
  } 


void loop() {
  int leerboton = digitalRead(boton);
  if (leerboton == HIGH) {
    digitalWrite(led, HIGH);
    Serial.println("prendido");
    delay(7000);

  } else {
    digitalWrite(led, LOW);
    Serial.println("apagado");
  }

}