schizoidman@lemmy.ml to Technology@lemmy.mlEnglish · 4 months agoResearchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered deviceswww.tomshardware.comexternal-linkmessage-square17fedilinkarrow-up11arrow-down10cross-posted to: technology@lemmy.world
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.mlEnglish · 4 months agomessage-square17fedilinkcross-posted to: technology@lemmy.world
minus-squareSonori@beehaw.orglinkfedilinkarrow-up0·4 months agoThis is also how passive RFID tags work, the tag harvests just enough energy from the scanning frequency to boot up a microchip and respond with its ID number.
This is also how passive RFID tags work, the tag harvests just enough energy from the scanning frequency to boot up a microchip and respond with its ID number.