clock

#include <Wire.h>
#include <RTClib.h>
 
RTC_PCF8523 rtc;
 
void setup() {
 // Initialize the I2C communication
 Wire.begin();
 Serial.begin(9600);
 // Initialize the RTC
 rtc.begin();
 
 // Set the current time and date on the RTC
 
}
 
void loop() {
 // Read the time and date from the RTC
 DateTime now = rtc.now();
 
 // Print the time and date to the serial monitor
 Serial.print(now.year(), DEC);
 Serial.print('/');
 Serial.print(now.month(), DEC);
 Serial.print('/');
 Serial.print(now.day(), DEC);
 Serial.print(" ");
 Serial.print(now.hour(), DEC);
 Serial.print(':');
 Serial.print(now.minute(), DEC);
 Serial.print(':');
 Serial.print(now.second(), DEC);
 Serial.println();
 
 // Wait for one second before reading the time and date again
 delay(1000);
}