RTC losing time
Posted: Sat Oct 03, 2020 11:03 pm
Yesterday I get the VBat pin working properly but overnight the RTC loose 8 minutes! There is any way to solve that problem?
Everything relating to using STM32 boards with the Arduino IDE and alternatives
https://www.stm32duino.com/
commented on Nov 5, 2018
... I have 6 STM32F103C8 units and have tested them all with the same sketch. 3 run slow, two run fast and one seems to be keeping step with the DS3232 RTC. Strikes me it's a variation in crystal frequency and not the RTClock library.
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