Prevent data loss on power failure

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uyeig
Posts: 2
Joined: Sat Dec 11, 2021 8:49 am

Prevent data loss on power failure

Post by uyeig »

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.
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