#define led_rojo 7
#define led_naranja 13
#define led_amarillo 2

char dato;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(led_rojo, OUTPUT);
  pinMode(led_naranja, OUTPUT);
  pinMode(led_amarillo, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(Serial.available() > 0){ // Verifica si hay datos disponibles
    dato = Serial.read(); // Lee los datos enviados
    Serial.println(dato);
    if(dato == 'a'){
      digitalWrite(led_amarillo, HIGH);
      Serial.println("Led amarillo ON");
    } else if (dato == 'r') {
      digitalWrite(led_rojo, HIGH);
      Serial.println("Led rojo ON");
    } else if (dato == 'n') {
      digitalWrite(led_naranja, HIGH);
      Serial.println("Led naranja ON");
    }  else if (dato == 't') {
      digitalWrite(led_amarillo, HIGH);
      digitalWrite(led_rojo, HIGH);
      digitalWrite(led_naranja, HIGH);
      Serial.println("Led naranja ON");
    } else if (dato == 'o'){
      digitalWrite(led_amarillo, LOW);
      digitalWrite(led_rojo, LOW);
      digitalWrite(led_naranja, LOW);
      Serial.println("Leds apagados");
    }
  }

  delay(10);
}