#include "RTClib.h"
RTC_DS1307 rtc;
//-----------------------------------------------------------------------------
void setup () {
  Serial.begin(115200);
  if (! rtc.begin()) {
    Serial.println("DS1307 not  found");
    while (1);
  }
  rtc.adjust(DateTime(2023, 5, 31, 12, 59, 40)); //(year), (month), (day), (hour), (minute), (second)
  delay(100);
}
//-----------------------------------------------------------------------
void loop () {
  DateTime now = rtc.now(); 
  Serial.print(now.day()); 
  Serial.print('/');
  Serial.print(now.month(), DEC); 
  Serial.print('/'); 
  Serial.println(now.year()); 
  delay(2000);
}