[Mr Innovative] needed to wind some coils, and decided to make a machine to do the work. Making such machines has become a lot easier over the years. There was a time when we might probably have had ...

This will probably be more useful to custom speaker builders, but coil winding has always been a bit tedious. [iwicom] put together a simple coil winder using a hand drill, a magnet, a reed switch ...

EBD coil-winding machines control wire tension to 0.1 gm and handle wire filaments to 0.0004-in. diameter and smaller. Mandrel wires on which the filaments wrap can be as small as 0.001-in. diameter.