#include <LiquidCrystal_I2C.h>
#include <RTClib.h>

RTC_DS3231 RTC_tkb;

LiquidCrystal_I2C lcd_tkb(0x27, 16, 2);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  RTC_tkb.begin();
  RTC_tkb.adjust(DateTime(F(__DATE__), F(__TIME__)));

  lcd_tkb.init();
  lcd_tkb.backlight();
  lcd_tkb.setCursor(0,0);
  lcd_tkb.print("Teknik Komputer");

  lcd_tkb.setCursor(2,1);
  lcd_tkb.print("Join Kelas B");
  delay(5000);
  lcd_tkb.clear();
}

void loop() {
  // put your main code here, to run repeatedly:
  DateTime now = RTC_tkb.now();
  int tahun = now.year();
  int bulan = now.month();
  int tanggal = now.day();
  int jam = now.hour();
  int menit = now.minute();
  int detik = now.second();

  // Baris 1 ==> Tahun: tahun/bulan/tanggal
  lcd_tkb.setCursor(0,0);
  lcd_tkb.print("Tahun: ");
  lcd_tkb.print(tahun);
  lcd_tkb.print("/");
  lcd_tkb.print(bulan);
  lcd_tkb.print("/");
  lcd_tkb.print(tanggal);

  // Baris 2 ==> waktu: jam:menit/detik
  lcd_tkb.setCursor(0,1);
  lcd_tkb.print("Waktu: ");
  lcd_tkb.print(jam);
  lcd_tkb.print(":");
  lcd_tkb.print(menit);
  lcd_tkb.print(":");
  lcd_tkb.print(detik);

  Serial.println(tahun);
  delay(1000);


}