Make a Human Powered Mobile Phone Charger
YouTube caption: Don’t you wish you could charge your cell-phone anywhere outdoors? A human-powered hand-cranked charger is a good way to do it.
Read video article here: http://www.electroboom.com/?p=704
YouTube caption: Don’t you wish you could charge your cell-phone anywhere outdoors? A human-powered hand-cranked charger is a good way to do it.
Read video article here: http://www.electroboom.com/?p=704