Comments on: Real time clock (RTC) DS3231 with Arduino Uno https://peppe8o.com/real-time-clock-rtc-ds3231-with-arduino-uno/ Raspberry PI, Arduino and Electronics made simple Sat, 02 Sep 2023 16:56:38 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: Umar Jamil https://peppe8o.com/real-time-clock-rtc-ds3231-with-arduino-uno/#comment-19083 Thu, 13 Oct 2022 02:26:44 +0000 https://peppe8o.com/?p=7192#comment-19083 In reply to SAI.

There is no issue of power because the RTC has its own power. It has its own cell CR1220, When it’s powered from the Arduino, it used Arduino power while otherwise using cell voltages. The only case is when both cell charging is drained and power from the Arduino is disconnected, then time resets.

]]> By: SAI https://peppe8o.com/real-time-clock-rtc-ds3231-with-arduino-uno/#comment-19037 Tue, 11 Oct 2022 12:11:08 +0000 https://peppe8o.com/?p=7192#comment-19037 what if power cuts and starts again?

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