#include <VirtuabotixRTC.h>
#include <LiquidCrystal.h>

VirtuabotixRTC myRTC(6, 7, 8); LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() lcd.begin(16, 2); lcd.print("RTC Clock"); delay(1000);

void loop() myRTC.updateTime();

lcd.clear(); lcd.setCursor(0, 0); lcd.print("Time:"); lcd.print(myRTC.hours); lcd.print(":"); lcd.print(myRTC.minutes); lcd.print(":"); lcd.print(myRTC.seconds);

lcd.setCursor(0, 1); lcd.print(myRTC.month); lcd.print("/"); lcd.print(myRTC.dayofmonth); lcd.print("/20"); lcd.print(myRTC.year);

delay(500);

Yes, if:

No, if:

In the world of embedded electronics, keeping accurate time is surprisingly difficult. While your Arduino runs flawlessly at 16MHz, its internal clock is a poor timekeeper—drifting by seconds per minute. The standard solution is a Real-Time Clock (RTC) module. But while the ubiquitous DS1307 and DS3231 RTCs have excellent hardware, their software ecosystem is fragmented.

Enter the VirtuabotixRTCH Library.

Less known than the popular RTClib by Adafruit, the VirtuabotixRTCH library offers a unique blend of simplicity, direct hardware control, and surprising educational value. This feature explores why this library deserves a spot in your Arduino IDE.