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Take the Joule Thief a step further and make a battery charger!
posted February 10 2015 19:20.43 by Giorgos Lazaridis




Excellent idea I may say! So you have all those dead (actually, mostly empty but not dead) batteries laying around. Follow the idea from Jason Poel Smith and make a battery charger powered by a Joule Thief. And drain the last drop of energy before you dispose them!
Here is the demo video





The circuit schematic is ridiculously simple.





Excellent idea!

[Link]
 
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