Interesting build using a joule thief for a charger.
http://www.instructables.com/id/Solar-Wind-and-Hydro-on-your-faucet-turbine-powere/
Interesting build using a joule thief for a charger.
http://www.instructables.com/id/Solar-Wind-and-Hydro-on-your-faucet-turbine-powere/