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Voltage Regulated [5v] Bicycle Dynamo Light & USB Charger
Battery-free 5 volt project power
Altoids Solar/Dynamo Emergency Charger
Qi Enabled Power Bank with Solar and Dynamo Charging
How to make a reliable motorcycle voltage regulator
Electricity Generating Footwear - Generate Electricity By Walking (Concept)
Dynamo powered LED bike lights
Faraday For Fun: An Electronic Batteryless Dice
Bike Light 2011
Posted:Oct 15, 2009
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