Virtuabotixrtch Arduino Library ((install)) (2025)

Keeping Time with Arduino: A Guide to the Virtuabotix RTC Library

When it comes to Arduino projects, one of the most common hurdles is dealing with time. The built-in millis() and delay() functions are great for short intervals, but what happens when you need to know the actual date and time? What if you need to turn a relay on at 7:00 PM, or log temperature data with a precise timestamp?

While many modern RTC libraries focus solely on the high-precision DS3231, the Virtuabotix library gained popularity for its ease of use with the older, less expensive DS1302 module. It provides a simplified syntax for setting and retrieving time data without requiring the user to manipulate raw binary-coded decimal (BCD) data manually.

In this post, we’ll explore why this library is a solid choice for DS1302-based RTC modules and how to get it up and running in your next project.

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);

// Include the library #include <virtuabotixRTC.h>