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

RTC_DS3231 rtc;

char daysOfTheWeek[7][4] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};

int Day; 
int Month;
int Year; 
int Secs;
int Minutes;
int Hours;

String dofweek;
String myDate; 
String myTime; 

#define rs 12 
#define en 11 
#define d4 5 
#define d5 4  
#define d6 3 
#define d7 2 

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {
  Serial.begin(9600);
  lcd.begin(16, 2);
  delay(3000);

  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }

  if (rtc.lostPower()) {
    Serial.println("RTC lost power, setting the time!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

  lcd.clear();
  lcd.setCursor(3, 0);
  lcd.print("Tech Trends");
  lcd.setCursor(5, 1);
  lcd.print("Shameer");
  delay(3000);
  lcd.clear();
}

void loop() {
  DateTime now = rtc.now();
  
  Day = now.day(); 
  Month = now.month(); 
  Year = now.year();
  Secs = now.second(); 
  Hours = now.hour(); 
  Minutes = now.minute(); 
  dofweek = daysOfTheWeek[now.dayOfTheWeek()];  

  myDate = dofweek + " " + String(Day) + "/" + String(Month) + "/" + String(Year);

  char buffer[9];
  sprintf(buffer, "%02d:%02d:%02d", Hours, Minutes, Secs);
  myTime = String(buffer);

  Serial.println(dofweek); 
  Serial.println(myDate); 
  Serial.println(myTime);

  lcd.setCursor(0, 0);
  lcd.print("                ");
  lcd.setCursor(0, 0);
  lcd.print(myDate);

  lcd.setCursor(6, 1);
  lcd.print("        ");
  lcd.setCursor(6, 1);
  lcd.print(myTime);

  delay(1000);
}