{"id":7571,"date":"2021-11-24T20:39:17","date_gmt":"2021-11-24T19:39:17","guid":{"rendered":"https:\/\/www.nerdiy.de\/?p=7571"},"modified":"2021-11-25T15:03:46","modified_gmt":"2021-11-25T14:03:46","slug":"espeasy_ds323x_sync_plugin","status":"publish","type":"post","link":"https:\/\/nerdiy.de\/en\/espeasy_ds323x_sync_plugin\/","title":{"rendered":"HowTo: ESPEasy - Set time synchronization with the DS3231 \/ DS3232 RTC"},"content":{"rendered":"

Thanks to NTP server ESPEasy is able to retrieve the time via WiFi connection. This possibility is very easy to set up and is described here, for example: ESPEasy - Enable NTP time retrieval from the Internet<\/a><\/em><\/strong><\/p>\n\n\n\n

But what if no NTP server is available for time retrieval? <\/p>\n\n\n\n

In this case, you can use an RTC (=Real Time Clock). This is an IC that \"keeps\" the set time with a battery backup. The time is therefore stored once in this IC and, thanks to the backup battery, continues to be counted even after a power failure (or switching on and off). <\/p>\n\n\n\n

After restarting the actual controller (in this case the ESP32 or ESP8266), it can retrieve the time from the RTC IC and thus knows the current time again.<\/p>\n\n\n\n

A \"famous\" IC that offers this functionality is the DS3231 <\/a><\/em><\/strong>respectively DS3232<\/a><\/em><\/strong>. Thanks to the plugin described below, its functionality can be integrated into ESPEasy relatively easily. Everything you need to know is described in the following article. <\/p>\n\n\n\n

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Safety instructions <\/span><\/h2>\r\n

I know the following notes are always kind of annoying and seem unnecessary. Unfortunately, many people who knew "better" have lost eyes, fingers or other things due to carelessness or injured themselves. Data loss is almost negligible in comparison, but even these can be really annoying. Therefore, please take five minutes to read the safety instructions. Because even the coolest project is not worth injury or other trouble.<\/span>
https:\/\/www.nerdiy.de\/sicherheitshinweise\/<\/span><\/a><\/em><\/strong><\/p>\r\n

Affiliate links\/advertising links<\/h2>\r\n

The links to online shops listed here are so-called affiliate links. If you click on such an affiliate link and make a purchase via this link, Nerdiy.de will receive a commission from the relevant online shop or provider. The price does not change for you. If you make your purchases via these links, you support Nerdiy.de in being able to offer other useful projects in the future. \ud83d\ude42\u00a0<\/em><\/p>\n\n\n\n

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Requirements<\/h2>\n\n\n\n

Helpful articles:
<\/strong>Additional tips on ESPEasy can be found in the following articles.<\/p>\n\n\n\n