https://armdevices.net/2016/01/13/fraunhofer-iis-bluetooth-smartwatch-powered-by-human-wrist-thermal-harvesting/ New video posted every 8 hours, forever Wed, 13 Jan 2016 15:18:00 +0000 hourly 1 https://wordpress.org/?v=7.0.2 https://armdevices.net/2016/01/13/fraunhofer-iis-bluetooth-smartwatch-powered-by-human-wrist-thermal-harvesting/comment-page-1/#comment-17728 Wed, 13 Jan 2016 15:18:00 +0000 http://138.2.152.197/?p=133642#comment-17728 nothing new; seen such bulky demo’s since 2005. It’s easy to get 100uW electrical power out of a cm2 of human skin (under the correct ambient temp conditions). Challenge was (and is) to compromisze it into micro dimensions,or, reduce the power consumption of the “sensor” to <1uW and keep the heatsink down to the size of a fingernail.

]]>