#define BUTTON_PIN_1 12
#define BUTTON_PIN_2 13

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(BUTTON_PIN_1, INPUT);
  pinMode(BUTTON_PIN_2, INPUT_PULLUP); 
}

int lastState = HIGH;
void loop() {
  // put your main code here, to run repeatedly:
  int value_1 = digitalRead(BUTTON_PIN_1);
  int value_2 = digitalRead(BUTTON_PIN_2);

  Serial.print("Tombol 1"); Serial.println(value_1);
  Serial.print("Tombol 2"); Serial.println(value_2);
  delay(1000);

  if (lastState != value_1) {
    lastState = value_1;
    if (value_1 == HIGH) {
      Serial.println(" FALSE ");
    }
    if(value_1 == LOW) {
      Serial.println(" TRUE ");
    }
    lastState = value_2;
    if (value_2 == HIGH) {
      Serial.println(" FALSE ");
    }
    if(value_2 == LOW) {
      Serial.println(" TRUE ");
    }
  }
}