An Arduino Real Time Clock library. This library makes using modules based on the DS1307 and DS3231 RTC really simple. It is compatible with and is meant to leverage the standard C time library ...

Take a search for "RTC library" in your Arduino IDE or on GitHub and you'll find a plethora of existing libraries. Yes, many of them are great, but many of them are not. Many of them are old, outdated ...

Teyleten Robot DS3231SN DS3231 Real Time Clock Module RTC Clock AT24C32 Without Battery for Arduino Raspberry (5PCS) , HiLetgo 5pcs DS3231 High Precision RTC Real Time Clock Module 5V for Arduino ...

Here is the circuit diagram of a compact RTC module, based on the popular RTC IC DS1307, for your everyday microcontroller projects. The DS1307 serial real-time clock (RTC) is a lowpower, full ...