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Here's a video explaining WiFi backscatter. It really is an amazing concept even without doing HD video with it. All kinds of devices - I'm imaging home automat
by lopmotr 9y ago
Here's a video explaining WiFi backscatter. It really is an amazing concept even without doing HD video with it. All kinds of devices - I'm imaging home automation sensors - could become batteryless.
http://iotwifi.cs.washington.edu/ http://iotwifi.cs.washington.edu/
- ww520 9y agoThat is an amazing concept, simple and effective, just reflecting backscattered wifi signal on and off to encode data.
- nightcracker 9y ago> All kinds of devices - I'm imaging home automation sensors - could become batteryless. That's terrifying.
- therein 9y agoYou can still use jammers to prevent backscatter from being readable but your jamming signal will just power the sensor more. :)