// Lampu merah berkedip nyala dan hidup selama 5 detik dengan millis.
// Tambahkan Lampu kuning di Pin 3, 
// dan buatlah lampu kuning tersebut menyala 5 detik dan mati 10 detik dengan millis.

// kelompok 1 IF10

const int pinRed = 2;    
const int pinYellow = 3; 

unsigned long previousRedMillis = 0;
unsigned long previousYellowMillis = 0;
const long redOn = 5000;    
const long redOff = 10000;    
const long yellowOn = 5000; 
const long yellowOff = 15000;
unsigned long timerMillis; 

void setup() {
  // put your setup code here, to run once:
  pinMode(pinRed, OUTPUT);
  pinMode(pinYellow, OUTPUT);;
}

void loop() {
  // put your main code here, to run repeatedly:
  timerMillis = millis();

  // led merah
  if (timerMillis - previousRedMillis < redOn) {
    digitalWrite(pinRed, HIGH);
  } else if (timerMillis - previousRedMillis < redOff) {
    digitalWrite(pinRed, LOW);
  } else {
    previousRedMillis = timerMillis;
  }

  // led kuning
  if (timerMillis - previousYellowMillis < yellowOn) {
    digitalWrite(pinYellow, HIGH);
  } else if (timerMillis - previousYellowMillis < yellowOff) {
    digitalWrite(pinYellow, LOW);
  } else {
    previousYellowMillis = timerMillis;
  }
}