const int led=5;
const int tombol=2;

boolean hasilBaca;
void setup() {
  // put your setup code here, to run once:
  pinMode(led, OUTPUT);
  pinMode (tombol, INPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  hasilBaca=digitalRead(tombol);
  if(hasilBaca==0){
    digitalWrite(led, HIGH);
    delay(100);
  }else {
    digitalWrite(led, LOW);
    delay(100);
  }
  Serial.print("Status Tombol: ");
  Serial.println(hasilBaca);
}