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

#define SERIAL_OPTION 0

LiquidCrystal_I2C lcd(0x27,16,2);
RTC_DS1307 RTC;

String daysOfTheWeek[] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu"};

void setup() {
  if (SERIAL_OPTION) Serial.begin(115200);

  lcd.init();
  lcd.backlight();

  RTC.begin();
}

void loop() {
  
  DateTime now=RTC.now();

  lcd.setCursor(0,0); 
  lcd.print(daysOfTheWeek[now.dayOfTheWeek()]); lcd.print(","); lcd.print(now.day()); lcd.print("/"); lcd.print(now.month()); lcd.print("/"); lcd.print(now.year());
  lcd.setCursor(0,1);
  lcd.print(now.hour()); lcd.print(":"); lcd.print(now.minute()); lcd.print(":"); lcd.print(now.second());
  delay(1000);
}