// Buatlah Program untuk menyalakan LED dari kiri ke kanan menggunakan push button
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(19, OUTPUT);
  pinMode(18, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(15, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  if (digitalRead(15) == HIGH) {
    digitalWrite(19, HIGH);
    delay(200);
    digitalWrite(18, HIGH);
    delay(300);
    digitalWrite(5, HIGH);
  } else {
    digitalWrite(19, LOW);
    digitalWrite(18, LOW);
    digitalWrite(5, LOW);
  }
  // delay(10); // this speeds up the simulation
}