const int redPin = 2;   // Pin untuk lampu merah
const int yellowPin = 3; // Pin untuk lampu kuning

unsigned long previousMillisRed = 0;  
unsigned long previousMillisYellow = 0;  
const long intervalRed = 1000; // Interval berkedip untuk lampu merah (1 detik)
const long durationRed = 5000;  // Durasi total berkedip (5 detik)

const long onDurationYellow = 5000; // Durasi hidup lampu kuning (5 detik)
const long offDurationYellow = 10000; // Durasi mati lampu kuning (10 detik)

bool redState = LOW;
bool yellowState = LOW;
unsigned long startMillisRed = 0;
unsigned long startMillisYellow = 0;

void setup() {
  pinMode(redPin, OUTPUT);
  pinMode(yellowPin, OUTPUT);
}

void loop() {
  unsigned long currentMillis = millis();

  // Mengatur lampu merah
  if (currentMillis - startMillisRed >= intervalRed) {
    if (currentMillis - startMillisRed < durationRed) {
      redState = !redState; // Toggle state lampu merah
      digitalWrite(redPin, redState);
      startMillisRed = currentMillis; // Reset timer untuk lampu merah
    } else {
      digitalWrite(redPin, LOW); // Matikan lampu merah setelah 5 detik
    }
  }

  // Mengatur lampu kuning
  if (currentMillis - previousMillisYellow >= (yellowState ? onDurationYellow : offDurationYellow)) {
    yellowState = !yellowState; // Toggle state lampu kuning
    digitalWrite(yellowPin, yellowState ? HIGH : LOW);
    previousMillisYellow = currentMillis; // Reset timer untuk lampu kuning
  }
}