#define Butt 14
#define LED1 15
#define LED2 16
#define LED3 17
#define LED4 18
#define Dly delay(300)

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(LED4, OUTPUT);
  pinMode(Butt, INPUT_PULLUP);
  Serial.println("Hello, ESP32-S3!");
}

void loop() {
  // put your main code here, to run repeatedly:
  if (digitalRead(Butt) == 0){
    NyalakanLaluHitamkan();
  } else {
    Matikan(LED1);
    Matikan(LED2);
    Matikan(LED3);
    Matikan(LED4);
  }
  delay(10); // this speeds up the simulation
}

void NyalakanLaluHitamkan(){
  digitalWrite(LED1, HIGH);
  digitalWrite(LED4, LOW);
  Dly;
  digitalWrite(LED4, HIGH);
  digitalWrite(LED3, LOW);
  Dly;
  digitalWrite(LED3, HIGH);
  digitalWrite(LED2, LOW);
  Dly;
  digitalWrite(LED2, HIGH);
  digitalWrite(LED1, LOW);
  Dly;
}

void Matikan(int X){
  digitalWrite(X, HIGH);
}