Battery-free Internet of Things devices draw power from WiFi signals - Geek
 

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Battery-free Internet of Things devices draw power from WiFi signals
Geek
One day, Nokia hopes to be able to recharge phones by harvesting WiFi backscatter. There's a long way to go before that's possible, but a team from the University of Washington has taken an important first step. They've created WiFi tags that operate ...





Courtesy of WestNet City Wi-Fi
www.westnet.ca