Volatile RAM. Thinking DS1307 without battery.

Author	Message
JohnS Guru Joined: 18/11/2011 Location: United Kingdom Posts: 3964	Posted: 07:50am 24 Jan 2025         Volhout said   For modern NAND flah (and eMMC/SD cards) there are 2 things that ar bad 1/ frequent writing to it (wear out) 2/ long time power off This type flash looses content pretty fast, and as long as the data is refreshed/re-written that is not a problem. But leaving a modern SD card without power for years, will make the card useless. Volhout Useless (i.e. no longer works) or just content gone? John