#include <Wire.h>
#include <RTClib.h>

RTC_DS3231 rtc;

void setup () {
  Serial.begin(9600);

  // Inisialisasi RTC
  if (! rtc.begin()) {
    Serial.println("Tidak bisa menemukan RTC");
    while (1);
  }

  // Cek jika RTC perlu diatur ulang
  if (rtc.lostPower()) {
    Serial.println("RTC kehilangan daya, atur ulang waktu!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }
}

void loop () {
  DateTime now = rtc.now();
  int jam = now.hour();
  Serial.print(now.year(), DEC);
  Serial.print('/');
  Serial.print(now.month(), DEC);
  Serial.print('/');
  Serial.print(now.day(), DEC);
  Serial.print(' ');
  Serial.print(now.hour(), DEC);
  Serial.print(':');
  Serial.print(now.minute(), DEC);
  Serial.print(':');
  Serial.print(now.second(), DEC);
  Serial.println();
  if (jam = 22){
    Serial.print("selamat tidur");
  }
  delay(1000);
}