#include <Wire.h>
#include <LiquidCrystal.h>
#include <RTClib.h>  // RTC library for DS3231 or DS1307

// Initialize LCD and RTC
LiquidCrystal lcd(9, 10, 5, 4, 3, 2);
RTC_DS3231 rtc;  // Use RTC_DS1307 if you're using the DS1307 module

void setup() {
  lcd.begin(16, 2);       // Initialize 16x2 LCD
  if (!rtc.begin()) {      // Check if RTC module is connected
    lcd.print("RTC error");
    while (1);            // Stay here if no RTC is found
  }
}

void loop() {
  DateTime now = rtc.now(); // Get current time from RTC
  
  // Display time (HH:MM:SS)
  lcd.setCursor(0, 0);
  lcd.print(now.hour());
  lcd.print(":");
  lcd.print(now.minute());
  lcd.print(":");
  lcd.print(now.second());
  
  // Display date (DD/MM/YYYY)
  lcd.setCursor(0, 1);
  lcd.print(now.day());
  lcd.print("/");
  lcd.print(now.month());
  lcd.print("/");
  lcd.print(now.year());
  
  delay(1000);  // Update every second
}