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

RTC_DS3231 rtc;
DateTime now;
char t[32];

LiquidCrystal lcd(7, 6, 5, 4, 3, 2); // (rs, e, d4, d5, d6, d7) Normal lcd
LiquidCrystal_I2C lcd1(0x27, 16, 2); //  I2C lcd 


void setup()
 {

 lcd.begin(16,2);

  lcd1.init();                       // initialize the I2C lcd
  lcd1.backlight();                  // I2C backlight

 Serial.begin(9600);
 Wire.begin();

  if (! rtc.begin()) 
  {
    Serial.println(" RTC Module not Present");
    while (1);
  }
  if (rtc.lostPower()) 
  {
    Serial.println("RTC power failure, reset the time!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

//  rtc.begin();
//  rtc.adjust(DateTime(F(__DATE__),F(__TIME__)));
//rtc.adjust(DateTime(2023, 3, 29, 14, 27, 0));

}

void loop() 
{

 now = rtc.now();
 displayDate();
 displayTime();

 int a=10;
 EEPROM.write(255, a);
 int b=EEPROM.read(255);

  //DateTime now = rtc.now();
  sprintf(t, "%02d:%02d:%02d %02d/%02d/%02d", now.hour(), now.minute(), now.second(), now.day(), now.month(), now.year());  
  Serial.print(F("Date/Time: "));
  Serial.println(t);
  delay(1000);

 
}

void displayDate()
 {

  lcd.setCursor(0,0);
  lcd.print("Date:");
  lcd.print(now.day());
  lcd.print('/');
  lcd.print(now.month());
  lcd.print('/');
  lcd.print(now.year());

  lcd1.setCursor(0, 0);
  lcd1.print("Date:");
  lcd1.print(now.day());
  lcd1.print('/');
  lcd1.print(now.month());
  lcd1.print('/');
  lcd1.print(now.year());

 }

 void displayTime()
 {
  lcd.setCursor(0,1);
  lcd.print("Time:");
  lcd.print(now.hour());
  lcd.print(':');
  lcd.print(now.minute());
  lcd.print(':');
  lcd.print(now.second());
  lcd.print("    ");

  lcd1.setCursor(0,1);
  lcd1.print("Time:");
  lcd1.print(now.hour());
  lcd1.print(':');
  lcd1.print(now.minute());
  lcd1.print(':');
  lcd1.print(now.second());
  lcd1.print("    ");

 }