String text;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(2, OUTPUT);
  pinMode(27, OUTPUT);
}

void loop() {
  if(Serial.available())
  {
    text = Serial.readStringUntil('\n');
    if(text == "LED 1 ON")
    {
      digitalWrite(27, HIGH);
      Serial.println("LED 1 is ON");
    }
    else if(text == "LED 1 OFF")
    {
      digitalWrite(27,LOW);
      Serial.println("LED 1 is OFF");
    }
    else if(text == "LED 2 ON")
    {
      digitalWrite(2, HIGH);
      Serial.println("LED 2 is ON");
    }
    else if(text == "LED 2 OFF")
    {
      digitalWrite(2,LOW);
      Serial.println("LED 2 is OFF");
    }
  }
}