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 ...

* Using rtc.lostPower() with DS1307 might not work correctly because it doesn't have the lostPower feature. * Using !rtc.isrunning() with DS3231 might not effectively check for power loss, and you may ...

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 ...

A man named [Jim Valvano] once said “There are 86,400 seconds in a day. It’s up to you to decide what to do with them.” — while we couldn’t tell you who [Jim Valvano] was without a google search*, his ...