this post was submitted on 26 Jul 2024
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218
Researchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered devices (www.tomshardware.com)
submitted 3 months ago by [email protected] to c/[email protected]
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cross-posted from: https://lemmy.ml/post/18426215

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[–] [email protected] 7 points 3 months ago

Still, I can’t help thinking this would be really cool for something like a watch

Watches have been solved. You put a solar panel in the watch face. No need for anything more.

Smart watches use too much energy to do any remote powering with at all, short of qi charging/other near-touching power distribution.