Charge A USB Device By Breathing
November 8th, 2007 by Admin
This is a Do-It-Yourself project from Instructables, and it's pretty cool. Rubber bands, parts from an old CD-Rom drive, and a simple circuit is the ticket to charging a device that can be charged via USB. Assembly required, of course.
A USB port only passes 5 volts, so it's not like you have to generate a lot of energy. I'm just surprised breathing is enough to generate 5 volts. If they say it works…
Via Treehugger
This entry was posted on Thursday, November 8th, 2007 at 5:34 pm and is filed under Gadgets. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
