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Mini floppy  wind generator  is a quite simple DIY project. Even though it looks like a toy, mini wind generator can be used in various situations. Especially if you are camping, fishing, sailing or anyplace where power greed is not available. Our wind generator can be used to recharge AA/AAA batteries (Ni-Cd, Ni-Mh…), mobile phones, MP3 players or for direct energy supply of smaller light bulbs ( LED lights ) or similar devices that draw up to few watts. The “heart” of mini wind generator is made of parts salvaged from an old 5.25″ floppy drive! Our first choice was to use stepper motor taken out of old floppy drive for several reasons. PC technology is “aging” very quickly, thus floppy drive can be obtained very cheap, in most cases even free of charge. Stepper motors are very convenient for small wind generators because they do not need any kind of gearing mechanism and the rotor can be attached directly to a turbine (propeller) which is simplifying cons...