#include "RTClib.h"
RTC_DS1307 rtc;
void setup () {
  Serial.begin(57600);
#ifndef ESP8266
  while (!Serial); 
#endif
 if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }
 if (! rtc.isrunning()) {
    Serial.println("RTC is NOT running, let's set the time!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }
}
    void loop() {
 DateTime time = rtc.now();
 Serial.println(String("DateTime::TIMESTAMP_FULL:\t")+time.timestamp(DateTime::TIMESTAMP_FULL));
 Serial.println(String("DateTime::TIMESTAMP_DATE:\t")+time.timestamp(DateTime::TIMESTAMP_DATE));
 Serial.println(String("DateTime::TIMESTAMP_TIME:\t")+time.timestamp(DateTime::TIMESTAMP_TIME));
 Serial.println("\n");
 delay(5000);
}