this post was submitted on 13 Aug 2024
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Converting devices to USB Type-C (youtube.com)
submitted 2 months ago by otter@lemmy.ca to c/videos@lemmy.world
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cross-posted from: !tech@programming.dev

USB Type C is great! ...unless you have to use dongles anyway.

I liked the style of this video

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[–] henfredemars@infosec.pub 6 points 2 months ago* (last edited 2 months ago)

Note that such a passive adapter is always broken and cannot possibly comply with the USB-C standard. Such an adapter is common and usually works, but is still illegal (in terms of the standard). An active device is absolutely always required. Devices have been killed in the past by these things, and many new USB devices have to be built to accept the incorrect use already because they’re common in the wild. Disclaimer: I use them anyway because it’s so convenient.

Reversibility, Vbus being powered, and back feeding are common problems with passive designs. I blame USB standards for not considering a low cost way to properly convert between A and C. USB4 is an even worse mess. It’s really a shame.