New to Auduino and looking into using it for home automation. It appears Auduino does not have a real time clock that's battery backed up. Wondering what people use? Do you add a battery backed up RTC or use an NTP server to set time when the Auduino powers on? Are there public sites to obtain suns…

What do people use for a real time clock?

Nick_Pyner September 8, 2016, 4:41pm 2

The DS3231 is a good cheap clock.

Topic		Replies	Views
Best way to make a Arduino Clock Interfacing	26	29502	May 6, 2021
Can my Arduino be a clock? Frequently-Asked Questions	15	5805	May 6, 2021
Real time clock using arduino General Guidance	17	5880	May 5, 2021
Setting DS3231 RTC accurately General Guidance	7	1726	May 5, 2021
Help with Arduino Clock... Development	6	1659	May 6, 2021