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Samsung’s new TV remote uses radio waves from your router to stay charged
- thesuperbigfrog 5y ago"Like the previous Eco Remote, this one can be charged with solar energy, but Samsung has also added RF harvesting capabilities that let the remote preserve its charge by collecting routers’ radio waves and converting them to energy.” What other low power devices could use solar + RF harvesting to replace batteries?
- excalibur 5y agoKeyboards and mice.
- toomuchtodo 5y agoTemperature and vibration sensors
- K5EiS 5y agoNot putting on my tinfoil hat or anything, but how much energy do radio waves put out? Could it interfere/interact with anything else?
- hulitu 5y agoNot so much. Depends on the transmitted power, which at 2.4 GHz, is quiet low. You need very good coupling to get a usable chunk of energy (examples are NFC and immobiliser systems). Looks like hype.
- dTal 5y ago>this time around it settled on adding RF harvesting as another way to keep the clicker functioning whenever you need it. This is a funny sentence. The original "clickers" were mechanical and acoustic, hence the name. No electricity required!
- mcculley 5y agoIf this thing ends up soaking up a wave that would have been reflected, and lots of devices start doing this, does that mean the router has to put out more power and the noise floor just keeps going up? I don’t know enough of the radio physics to know.