Spinning LED Display using Fan Motor
Csaba Bleuer has completed version 2 of his spinning LED display. Here is what version 1 of the spinning LED display looked like. "Improvements are: The rotation speed is 25/s instead of 7/s like in the earlier version, thanks to a cooling fan motor, which can give about 10W power and enough torque at 1800rpm. Also the power supplying is changed for the rotating part. It gets negative through