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Voltage Regulated [5v] Bicycle Dynamo Light & USB Charger
How to make a reliable motorcycle voltage regulator
Battery-free 5 volt project power
Altoids Solar/Dynamo Emergency Charger
Qi Enabled Power Bank with Solar and Dynamo Charging
Thermo-electric battery charger
Faraday For Fun: An Electronic Batteryless Dice
LASER diode driver
Homemade Geiger Counter
Posted:Oct 15, 2009
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