All Questions
2 questions
50
votes
4
answers
9k
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Why do fire and security systems run at 27.6 V?
I have been looking at buying power supply units for a project, and I keep seeing supplies that output 27.6 V. It's an unusually specific number, so what they are used for, and why is it important ...
- 619
-1
votes
1
answer
42
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Can a USB key data be erased by a upsurge in the voltage?
Say I want to design a USB key that would hold personal information. And I want to have a kill switch that would make the NAND memories just destroy or change status instantly by an upsurge of voltage....
