Hello ST community! We're using STM32F401RDT6.We use the RTC to maintain scheduled events that occur in the time we set, but not with the RTC's Alarm mechanism, rather our custom-made mechanism based on the current epoch time which is being updated e...

Hello ST community.   I'm using STM32F401RDT6 microcontroller which is powered during the day by a solar panel (power regulators converts the panel's voltage to 3V3). The MCU uses its internal RTC for logs and the issue is to keep the RTC running fro...