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Voltage Regulated [5v] Bicycle Dynamo Light & USB Charger
Battery-free 5 volt project power
Faraday For Fun: An Electronic Batteryless Dice
Dynamo powered LED bike lights
Types of Diodes
LASER diode driver
Bike Light 2011
charge mobile (5V USB) phone/GPS or other equipment from bicycle dynamo - 3 Euro - 5 e…
Homemade Geiger Counter
Posted:Oct 15, 2009
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