int ledPinMerah = 8; // pinout 8 ke kaki LED positif LED Merah
int ledPinKuning = 9; // pinout 9 ke kaki LED positif LED Kuning
int ledPinHijau = 10; // pinout 10 ke kaki LED positif LED Hijau

int buttonPinMerah = 11; // Pushbutton Merah
int buttonPinKuning = 12; // Pushbutton Kuning
int buttonPinHijau = 13; // Pushbutton Hijau

void setup() {
  // put your setup code here, to run once:
  pinMode(ledPinMerah, OUTPUT);
  pinMode(ledPinKuning, OUTPUT);
  pinMode(ledPinHijau, OUTPUT);

  digitalWrite(ledPinMerah, LOW);
  digitalWrite(ledPinKuning, LOW);
  digitalWrite(ledPinHijau, LOW);

  pinMode(buttonPinMerah, INPUT);
  pinMode(buttonPinKuning, INPUT);
  pinMode(buttonPinHijau, INPUT);
}

void loop() {
  // Jika saklar push button Merah ditekan
  if (digitalRead(buttonPinMerah) == HIGH) {
      digitalWrite(ledPinMerah, HIGH); //LED Merah hidup
  } else {
      digitalWrite(ledPinMerah, LOW); //LED Merah mati
  }
  // Jika saklar push button Kuning ditekan
  if (digitalRead(buttonPinKuning) == HIGH) {
      digitalWrite(ledPinKuning, HIGH); //LED Kuning hidup
  } else {
      digitalWrite(ledPinKuning, LOW); //LED Kuning mati
  }
  // Jika saklar push button Hijau ditekan
  if (digitalRead(buttonPinHijau) == HIGH) {
      digitalWrite(ledPinHijau, HIGH); //LED Hijau hidup
  } else {
      digitalWrite(ledPinHijau, LOW); //LED Hijau mati
  }
}