Comment on Researchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered devices

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SynAcker@lemmy.world ⁨1⁩ ⁨month⁩ ago

Not new indeed. Kinda reminds me of old Nextel phones that you would put a little LED on the antenna and it would blink from the EMI when sending and receiving data.

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