#define led 3
#define button 2


void setup() {

  Serial.begin(9600);
  pinMode(button, INPUT_PULLUP);
  pinMode(led, OUTPUT);

}

void loop() {
 
  bool bacaButton = digitalRead(button );
  Serial.println(bacaButton);
  delay(10);

  if (bacaButton == 0 ){
     digitalWrite(led, HIGH);
  }
  else {
    digitalWrite(led, LOW);
  }

}