breath powered usb charger

nice tip off on treehugger again, for this excellent looking bit of home made gadgetry

fwoevt6f1oabqa8medium.jpg

however, on closer inspection it looks a little out of my skill bracket, as it needs the following skills:  “PCB board manufacture, dismantling of electronics, cutting and drilling plastics, mixing epoxy, designing a gear train, kludging together a bunch of parts, bending paper clips…” I reckon I could manage the last one…

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