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January 15, 2019 06:56 pm -05

Battery-free sensor tag gathers energy from radio frequencies

Sensors play a crucial role in the Internet of Things, but there's one glaring limitation: they need a battery or some other conspicuous power source to run. Soon, however, they might only have to pluck energy from the air. Wiliot has shown off a B...

Original Link: https://www.engadget.com/2019/01/15/wiliot-battery-free-sensor-tag/

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Engadget

Engadget is a web magazine with obsessive daily coverage of everything new in gadgets and consumer electronics. Engadget was launched in March of 2004 in partnership with the Weblogs, Inc. Network (WI

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