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

// Initialize the LCD with the I2C address 0x27
LiquidCrystal_I2C lcd(0x27, 16, 2);
RTC_DS1307 rtc;

void setup() {
  Wire.begin();
    lcd.begin(16, 2);
      lcd.backlight();

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

                    if (!rtc.isrunning()) {
                        lcd.print("RTC is NOT running!");
                            // The following line sets the RTC to the date & time this sketch was compiled
                                rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
                                  }
                                  }

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

                                      // Display the date
                                        lcd.setCursor(0, 0);
                                          lcd.print(now.day(), DEC);
                                            lcd.print('/');
                                              lcd.print(now.month(), DEC);
                                                lcd.print('/');
                                                  lcd.print(now.year(), DEC);

                                                    // Display the time
                                                      lcd.setCursor(0, 1);
                                                        if (now.hour() < 10) lcd.print('0');
                                                          lcd.print(now.hour(), DEC);
                                                            lcd.print(':');
                                                              if (now.minute() < 10) lcd.print('0');
                                                                lcd.print(now.minute(), DEC);
                                                                  lcd.print(':');
                                                                    if (now.second() < 10) lcd.print('0');
                                                                      lcd.print(now.second(), DEC);

                                                                        delay(1000);
                                                                        }