minus-squarejohntwinkletits@lemmynsfw.comtoTechnology@lemmy.world•Researchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered deviceslinkfedilinkEnglisharrow-up1·4 months agoDefinitely not new. This is how RFID tags work. They harvest energy from the transmitter to power the circuitry in the tag to send back a response. linkfedilink
Definitely not new. This is how RFID tags work. They harvest energy from the transmitter to power the circuitry in the tag to send back a response.