const int ledMerahPin = 13;
const int ledHijauPin = 8;
const int ledBiruPin = 3;

void setup() {
  pinMode(ledMerahPin, OUTPUT);
  pinMode(ledHijauPin, OUTPUT);
  pinMode(ledBiruPin, OUTPUT);
  Serial.begin(115200);
}

void loop() {
  if (Serial.available() > 0) {
    String input = Serial.readStringUntil('\n');  // Baca seluruh baris input
    
    if (input.indexOf("Lampu 1 on") >= 0) {
      digitalWrite(ledMerahPin, HIGH);
      Serial.println("LED merah menyala");
    } else if (input.indexOf("Lampu 1 off") >= 0) {
      digitalWrite(ledMerahPin, LOW);
      Serial.println("LED merah mati");
    }

    if (input.indexOf("Lampu 2 on") >= 0) {
      digitalWrite(ledHijauPin, HIGH);
      Serial.println("LED hijau menyala");
    } else if (input.indexOf("Lampu 2 off") >= 0) {
      digitalWrite(ledHijauPin, LOW);
      Serial.println("LED hijau mati");
    }

    if (input.indexOf("Lampu 3 on") >= 0) {
      digitalWrite(ledBiruPin, HIGH);
      Serial.println("LED biru menyala");
    } else if (input.indexOf("Lampu 3 off") >= 0) {
      digitalWrite(ledBiruPin, LOW);
      Serial.println("LED biru mati");
    }
  }
}