Prevent data loss on power failure
Posted: Tue Jan 04, 2022 3:54 pm
I am designing a digital meter with STM32F401RE. I want save some data to flash memory in case of power failure . I tried this tutorial https://www.youtube.com/watch?v=i2YsKacRZOs&t=2s but it's not working. Should I do this with a battery? If not, what is the best to do it
bests.
bests.