alt Hacker NewsHonestly even in "developed countries" it's not worth blindly trusting that the power in your house/building is clean. It's cheap and easy enough to just put any expensive hardware on a UPS rather than speculating what's going on behind the walls.
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xandrius • yesterday at 9:25 PM
Doesn't even sound like a developed country to me. Is that the US or something?
I work on embedded systems. I can often see whether my A/C or other appliances are running on my oscilloscope signals. They often affect the output of USB power supplies.