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Stephen Downes

Knowledge, Learning, Community

What Is RF Energy Harvesting?

Dec 02, 2023

Your next household appliance might be a RF (radio frequency) power transmitter. I encountered this while following up on an article titled 'Innovative wireless light switch could cut house wiring costs in half'. The switch is powered by harvesting ambient radio frequency (RF) energy. Such a transmitter could power any number of low-energy switches and sensors, eliminating the need for extra wires or batteries. This article is a pop science overview; here's a link to a comprehensive review of RF energy technologies.

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Stephen Downes Stephen Downes, Casselman, Canada
stephen@downes.ca

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Last Updated: May 22, 2024 5:21 p.m.

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