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[DIY Machine]DIY luminous chassis screw
Materials : one 5mm pipe (half a meter), a waste of the apron, this can be picked up in the streets. There are two light-emitting diodes, a super-bright light-emitting diodes Ordinary small pipes, 5MM Good cut, about 20mm or so Waste plasti...
NEW:2009-01-06 17:13:26  View Content...
[DIY Machine]DIY electric motor by battery and screw
Material:Screws, alkaline batteries, wire, magnet   Relying on these four things, no other tools could be achieved within 30 seconds, turn the speed of thousands of motor Done, in fact, than the preparation material is also simple...
NEW:2008-06-29 16:54:57  View Content...