void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(2, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(15, INPUT);

}

void loop() {
  if(digitalRead(15) == HIGH){
    Serial.println("Button  Ditekan - Led Menyala");
    digitalWrite(2, HIGH);
    digitalWrite(4, HIGH);
  } else {
    digitalWrite(2, LOW);
    digitalWrite(4, LOW);
  }

}