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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Always watch your uA sources: The mystery of the Zombie RAM | josh.com

Posted by jpluimers on 2018/02/13

Interesting read [WayBack]: The mystery of the Zombie RAM | josh.com that starts with

It all started one bright morning when I wondered: Can the RAM memory on an AVR chip continue to store data after power is removed? If it can hold the data even just for a brief moment, then…

TL;DR: Always watch your uA sources. Or like Lübbe Onken puts it on G+:

In my first company, we had built a piece of hardware, which turned itself on mysteriously sometimes. We found out that this was caused by a status led that created enough current in bright sunlight.

–jeroen

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