Thingiverse

USB condom

von Jori

6 Downloads

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This little gadget makes charging your phone at any USB outlet way more safe!
The little housing prints standing without supports.

Internals are a male and female USB connector - with only power connected, data cables stay floating. This may only provide charging at 500mA, but you're sure that no one messes with your phone!

Connectors are easily available from eBay for cheap in bags of 10...

I just pushed the wired connectors in (both go in from the female side) and filled the housing with some hot glue.

Twisted version:
https://www.thingiverse.com/thing:4061666