#include <RTClib.h> // Include the RTClib library for RTC functionality

RTC_DS3231 rtc; // Create an RTC_DS3231 object

void setup() {
  Serial.begin(9600); // Initialize serial communication at 9600 baud rate

  // Check if the RTC module is connected and working
  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC. Please check wiring.");
    while (1); // Halt if RTC is not found
  }

  // If the RTC lost power, set the time to the compilation time
  if (rtc.lostPower()) {
    Serial.println("RTC lost power, setting time to compilation time!");
    rtc.adjust(DateTime(__DATE__, __TIME__));
  }
}

void loop() {
  DateTime now = rtc.now(); // Get the current date and time from the RTC

  // Print the time to the Serial Monitor
  Serial.print("Time: ");
  // Format hours, minutes, and seconds with leading zeros
  if (now.hour() < 10) Serial.print("0");
  Serial.print(now.hour());
  Serial.print(":");
  if (now.minute() < 10) Serial.print("0");
  Serial.print(now.minute());
  Serial.print(":");
  if (now.second() < 10) Serial.print("0");
  Serial.print(now.second());

  // Print the date to the Serial Monitor
  Serial.print(" Date: ");
  // Format day, month, and year with leading zeros
  if (now.day() < 10) Serial.print("0");
  Serial.print(now.day());
  Serial.print("-");
  if (now.month() < 10) Serial.print("0");
  Serial.print(now.month());
  Serial.print("-");
  Serial.println(now.year());

  delay(1000); // Wait for one second before updating the time again
}