int LedPinMerah = 13;
int LedPinKuning = 12;
int LedPinHijau = 11;
int LedPinBiru = 10;
int SwitchPin = 9;
int SwitchStatus;

void setup() {
  pinMode(LedPinMerah, OUTPUT);
  pinMode(LedPinKuning, OUTPUT);
  pinMode(LedPinHijau, OUTPUT);
  pinMode(LedPinBiru, OUTPUT); 
  pinMode(SwitchPin, INPUT);
  }

void loop() {
  // untuk membaca variable SwitchPin lalu dipindahkan ke variable SwitchStatus
  SwitchStatus = digitalRead(SwitchPin);  
  
  if(SwitchStatus == HIGH){
    digitalWrite(LedPinMerah, HIGH);
    delay(100);
    digitalWrite(LedPinMerah, LOW);
    delay(100);
    digitalWrite(LedPinKuning, HIGH);
    delay(100);
    digitalWrite(LedPinKuning, LOW);
    delay(100);
    digitalWrite(LedPinHijau, HIGH);
    delay(100);
    digitalWrite(LedPinHijau, LOW);
    delay(100);
    digitalWrite(LedPinBiru, HIGH);
    delay(100);
    digitalWrite(LedPinBiru, LOW);
    delay(100);
    digitalWrite(LedPinHijau, HIGH);
    delay(100);
    digitalWrite(LedPinHijau, LOW);
    delay(100);
    digitalWrite(LedPinKuning, HIGH);
    delay(100);
    digitalWrite(LedPinKuning, LOW);
    delay(100);
  }
  else{
    digitalWrite(LedPinMerah, LOW);
    delay(0);
    digitalWrite(LedPinKuning, LOW);
    delay(0);
    digitalWrite(LedPinHijau, LOW);
    delay(0);
    digitalWrite(LedPinBiru, LOW);
    delay(0);
  }



{
    digitalWrite(LedPinMerah, HIGH);
    digitalWrite(LedPinKuning, HIGH);
    digitalWrite(LedPinHijau, HIGH);
    digitalWrite(LedPinBiru, HIGH);
    digitalWrite(LedPinHijau, HIGH);
    digitalWrite(LedPinKuning, HIGH);
    delay(1000);

    digitalWrite(LedPinMerah, LOW);
    digitalWrite(LedPinKuning, LOW);
    digitalWrite(LedPinHijau, LOW);
    digitalWrite(LedPinBiru, LOW);
    digitalWrite(LedPinHijau, LOW);
    digitalWrite(LedPinKuning, LOW);
    delay(2000);

}
}