Wednesday, August 06, 2014

IoT: Battery-free power from WiFi signals

Battery-free Internet of Things devices draw power from WiFi signals | Chips |
"team from the University of Washington has ... created WiFi tags that operate without the need for a battery.
...tag can transmit data over short distances at respectable rates.
At a range of about 7 feet, the tags can achieve around 1kbps"

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