this post was submitted on 09 Oct 2023
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577
USB inventor explains why the connector was not designed to be reversible (www.pcgamer.com)
submitted 1 year ago by ooli@lemmy.world to c/technology@lemmy.world
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[–] echodot@feddit.uk 6 points 1 year ago

I'm not really sure what that means. The original A/B specification did not allow for much variable voltage. It's only universal in name, not in nature. There was absolutely no way to deal with high voltage devices, the cables were not adaptive.

USB 4.0 specification allows for powering things like electrical drills. No way the original USB A/B specification can handle that.