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An ultracapacitor flashlight in an egg (with a joule thief)
An ultracap flashlight (with a joule thief and 2 capacitors 10 Farad) You can see the...
All rights reserved
Uploaded on Feb 19, 2012
assemblage de la lampe
UltraCap joule thief flashlight
An immortal flashlight
A joule thief flashlight powered by ultra capacitor
An immortal Flashlight, With an ultracap and a joule thief. You can charge it on your computer with...
All rights reserved
Uploaded on Feb 19, 2012
Ukulele DIY
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16 views
Construction d'une yourte
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Panneau solaire en canettes...
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