int ledPinBiru = 19;
int ledPinMerah = 18;
int ledPinKuning = 5;
int btnPin = 15;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Membuat runing text");
  pinMode(ledPinBiru, OUTPUT);
  pinMode(ledPinMerah, OUTPUT);
  pinMode(ledPinKuning, OUTPUT);
  pinMode(btnPin, INPUT);

}

void loop() {
  if(digitalRead(btnPin)==HIGH){
      digitalWrite(ledPinBiru, HIGH);
      delay(500);
      digitalWrite(ledPinMerah, HIGH);
      delay(500);
      digitalWrite(ledPinKuning, HIGH);
      delay(500);
  }else{
    digitalWrite(ledPinBiru, LOW);
    digitalWrite(ledPinMerah, LOW);
    digitalWrite(ledPinKuning, LOW);
  }
}