RTC on B-L475E-IOT01A.
At evening I set time 18-38-00, got it back, it was OK and left it to run. At morning I see the time 32-59-48. My set-get functionsint RTC_SetTime(uint8_t hours, uint8_t minutes, uint8_t seconds) { if (hours < 24 && minutes < 60 && seconds < ...