void setup() {
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  Serial.println("Mau nyalakan lampu yang mana:");
  Serial.println("1. animasi 1");
  Serial.println("2. animasi 2");
  Serial.println("3. animasi 3");
  Serial.println("4. hidupkan lampu");
  Serial.println("5. matikan lampu");
  Serial.println("inputan anda >>>");
  int pilihan = Serial.parseInt();
  while (Serial.available() == 0) {}
  if (pilihan == 1) {
    animasi_1();
    Serial.println("Animasi 1");
  } else if (pilihan == 2) {
    animasi_2();
    Serial.println("Animasi 2");
  } else if (pilihan == 3) {
    animasi_3();
    Serial.println("Animasi 3");
  } else if (pilihan == 4) {
    digitalWrite(9,  HIGH);
    digitalWrite(10, HIGH);
    digitalWrite(11, HIGH);
    Serial.println("Hidupkan semua lampu!");
  } else if (pilihan == 5){
    digitalWrite(9,  LOW);
    digitalWrite(10, LOW);
    digitalWrite(11, LOW);
    Serial.println("Matikan semua lampu!");
  }

}

void animasi_1 () {
  digitalWrite(9, HIGH);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(9, LOW);
  digitalWrite(10, HIGH);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, HIGH);
  delay(500);
}

void animasi_2 () {
  digitalWrite(9,  HIGH);
  digitalWrite(10, HIGH);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(9, LOW);
  digitalWrite(10, HIGH);
  digitalWrite(11, HIGH);
  delay(500);
  digitalWrite(9, HIGH);
  digitalWrite(10, LOW);
  digitalWrite(11, HIGH);
  delay(500);
}

void animasi_3 () {
  digitalWrite(9,  HIGH);
  digitalWrite(10, HIGH);
  digitalWrite(11, HIGH);
  delay(500);
  digitalWrite(9, LOW);
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  delay(500);
}