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I could see it being useful for when you want an easy way to get a high voltage spike out of a 5v power supply. For example, if you wanted to build a board for igniting the gas in a potato gun that ran off of a USB power bank.


Then you want something like one of these instead:

https://www.ebay.com/itm/DC-3V-5V-Arc-Generator-High-Voltage...

You also want to use the gas dispenser from a Paslode impact gun, an air mattress inflator and a Zodiac check valve for the air purge.


Speaking of power banks, what would happen if you plugged this device directly to one?


Only one way to find out!


most power banks don't have the data lines, and as far as I see this device uses the data lines to destroy the host. So I'll guess nothing would happen.


You could design one which did destruction via the power lines if you wanted to.

That's much harder though because power lines tend to have big-ish capacitors on them.




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