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Freevolt can power a low-energy device forever, and for free
http://www.getfreevolt.com/
7 comments
3/10/2015
Linking pages
Freevolt: Perpetual, free RF energy harvesting to power the Internet of Things | Ars Technica
http://arstechnica.co.uk/gadgets/2015/09/freevolt-perpetual-free-rf-energy-harvesting-to-power-the-internet-of-things/
6 comments