Make a Human Powered Mobile Phone Charger

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 Follow me on Facebook:   / electroboom   Support ElectroBOOM at Patreon:   / electroboom   Follow me on Twitter:   / electroboomguy   Video of Full Bridge Rectifier:    • Probing Eyes to Measure Eye Resistance   Video of Measuring Eye Resistance:    • Making a Full Bridge Rectifier   By: Mehdi Sadaghdar