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STM32L052 changing battery

Question asked by Baev.Alexander on Jul 30, 2015
Latest reply on Aug 3, 2015 by Olivjer

Hello friends.

I'am working on a project using STM32L052 and Nokia5110 display. It is a temperature controller. It will utilize RTC. It will work from two AA batteries.

The question is what is the best way to change the batteries (two AAs) so that it would not be necessary to set RTC after this change.

Is there any solution without additional battery?