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

RTC_DS1307 rtc;
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

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

  if (! rtc.begin()) {
    lcd. print("Erro");
   abort();
  }
}

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

  lcd.print(" Hora: ");
  lcd.print(now.hour(), DEC);
  lcd.print(':');
  lcd.print(now.minute(), DEC);
  lcd.print(':');
  lcd.print(now.second(), DEC);                 
  delay(1000);
  lcd. clear ();
}