Step 4Spinning plate from CD-ROM
The best spinning plate, in my opinion, is a CD. And an "easy to find" support for it is the motor from an old CD-ROM. It is designed to hold a CD in place so we will use it.
All CD-ROMs differ from each other so don’t expect to be exactly like in the picture.
Unscrew all the screws you can find and open the case. Locate the motor and free it from its screws. Also keep the round cap that covers the motor. It is usually on the metal case or an additional metal plate on top of the motor. It will fix magnetically to the motor holding the CD in place.
Also notice that near the lens is located a pair of powerful magnets. Use a screwdriver to pop them out and keep them for later. We will use them to fix the motor to the board.
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