Joined: May 2007
Posts: 1,845
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From: Marfan Syndrome-Clyde-DFW, TX
Bikes: Fuji Touring Xtracycle, Merlin Road, Bacchetta Giro 26 (Sold), Challenge Hurricane, Cruzbike Sofrider
Check over in the electronics forum here. There is someone that is using a dynamo to recharge their batteries which powers their lights. I think they have posted the circuit diagram a few times too.