int status = 0;
int buttonState = 0;
int lastButtonState = 0;
unsigned long lastDebounceTime = 0;
unsigned long debounceDelay = 50; 

void setup() {
 
  pinMode(10, OUTPUT); // LED biru
  pinMode(9, OUTPUT);  // LED kuning
  pinMode(8, OUTPUT);  // LED jingga
  pinMode(7, INPUT);   // Tombol
  // Mulai dengan semua LED mati
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
}

void loop() {
  int reading = digitalRead(7);

  if (reading != lastButtonState) {
    lastDebounceTime = millis();
  }

  if ((millis() - lastDebounceTime) > debounceDelay) {
    if (reading != buttonState) {
      buttonState = reading;
      if (buttonState == HIGH) {

        status++;
      }
    }
  }

  lastButtonState = reading;

  if (status == 1) {
    digitalWrite(8, HIGH);  // LED jingga menyala
    digitalWrite(9, LOW);
    digitalWrite(10, LOW);
  } else if (status == 2) {
    digitalWrite(8, LOW);
    digitalWrite(9, HIGH);  // LED kuning menyala
    digitalWrite(10, LOW);
  } else if (status == 3) {
    digitalWrite(8, LOW);
    digitalWrite(9, LOW);
    digitalWrite(10, HIGH); // LED biru menyala
  } else if (status == 4) {
    digitalWrite(8, LOW);   // Semua LED mati
    digitalWrite(9, LOW);
    digitalWrite(10, LOW);
  } else if (status == 5) {
    digitalWrite(8, HIGH);  // Semua LED menyala
    digitalWrite(9, HIGH);
    digitalWrite(10, HIGH);
  } else if (status == 6) {
    digitalWrite(8, LOW);   // Semua LED mati
    digitalWrite(9, LOW);
    digitalWrite(10, LOW);
    status = 0;  // Reset status kembali ke awal
  }

  delay(50);  // Sedikit delay untuk stabilitas
}