#include "RTClib.h"

RTC_DS1307 rtc;

char daysOfTheWeek[7][12] = {"Sonntag", "Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag"};

void setup () {
  Serial.begin(115200);

  if (! rtc.begin()) {
    Serial.println("RTC-Modul nicht gefunden!");
    Serial.flush();
    abort();
  }
}

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

  Serial.print("Aktuelle Zeit: ");
  Serial.print(now.day(), DEC);
  Serial.print('.');
  Serial.print(now.month(), DEC);
  Serial.print('.');
  Serial.print(now.year(), DEC);
  Serial.print(" (");
  Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
  Serial.print(") ");
  Serial.print(now.hour(), DEC);
  Serial.print(':');
  Serial.print(now.minute(), DEC);
  Serial.print(':');
  Serial.print(now.second(), DEC);
  Serial.println();
  Serial.println();
  delay(3000);
}