schizoidman@lemmy.ml to Technology@lemmy.worldEnglish · 4 months agoResearchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered deviceswww.tomshardware.comexternal-linkmessage-square62fedilinkarrow-up11arrow-down10file-textcross-posted to: technology@lemmy.ml
arrow-up11arrow-down1external-linkResearchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered deviceswww.tomshardware.comschizoidman@lemmy.ml to Technology@lemmy.worldEnglish · 4 months agomessage-square62fedilinkfile-textcross-posted to: technology@lemmy.ml
minus-square✺roguetrick✺@lemmy.worldlinkfedilinkEnglisharrow-up0·4 months agohttps://en.m.wikipedia.org/wiki/Rectenna What they’ve done here is use the very old existing rectenna technology and new types of nanoscale rectenna arrays to capture very low energy radio waves without an external antenna. We’re taking -20 dBm or 10 μW.
minus-squareCheeseNoodle@lemmy.worldlinkfedilinkEnglisharrow-up0·4 months agoDang that’s actually a super interesting concept. Thanks for the wikipedia link!
https://en.m.wikipedia.org/wiki/Rectenna
What they’ve done here is use the very old existing rectenna technology and new types of nanoscale rectenna arrays to capture very low energy radio waves without an external antenna. We’re taking -20 dBm or 10 μW.
Dang that’s actually a super interesting concept. Thanks for the wikipedia link!