RegularJoe@lemmy.world to Technology@lemmy.worldEnglish · 1 day agoWiFi signals can measure heart rate—no wearables needednews.ucsc.eduexternal-linkmessage-square86fedilinkarrow-up1451arrow-down13
arrow-up1448arrow-down1external-linkWiFi signals can measure heart rate—no wearables needednews.ucsc.eduRegularJoe@lemmy.world to Technology@lemmy.worldEnglish · 1 day agomessage-square86fedilink
minus-squaretheunknownmuncher@lemmy.worldlinkfedilinkEnglisharrow-up6·22 hours agoWiFi can also do pretty precise location. Bluetooth/BLE even more precise (inches or less)
minus-squareyucandu@lemmy.worldlinkfedilinkEnglisharrow-up4·20 hours agoI think they mean without a phone. A 2.4ghz radio can be used as a presence detection radar.
minus-squaretheunknownmuncher@lemmy.worldlinkfedilinkEnglisharrow-up1·20 hours agoIt sounds like they’re specifically talking about a phone, making reference to app permissions and TikTok.
WiFi can also do pretty precise location. Bluetooth/BLE even more precise (inches or less)
I think they mean without a phone. A 2.4ghz radio can be used as a presence detection radar.
It sounds like they’re specifically talking about a phone, making reference to app permissions and TikTok.