ESP8266: Connection to DS3231 RTC
Check the code and wiring at my blog:
https://techtutorialsx.wordpress.com/...
DS3131 product page:
https://www.maximintegrated.com/en/pr...
DS3231 Datasheet:
https://datasheets.maximintegrated.co...
DS3231 for less than 1 euro at eBay!
https://datasheets.maximintegrated.co...
RTC Library at GitHub:
https://github.com/Makuna/Rtc
C++ Templates:
https://www.tutorialspoint.com/cplusp...