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Stepper from Floppy — Parallax Forums

Stepper from Floppy

JBWolfJBWolf Posts: 405
edited 2013-01-06 03:07 in Propeller 1
Just remembered, this came from a DVD-RW, not a floppy drive. I believe it was the laser tray positioning motor.
Anyone know how this motor should be driven?
Is it a stepper, servo or DC motor?
I appreciate any help.
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Comments

  • Duane C. JohnsonDuane C. Johnson Posts: 955
    edited 2013-01-05 17:13
    Sure looks like a 4-Wire bipolar stepper motor.

    Duane J
  • MJBMJB Posts: 1,235
    edited 2013-01-06 03:07
    JBWolf wrote: »
    Just remembered, this came from a DVD-RW, not a floppy drive.
    I would say STEPPER
    I have a few similar ones from FLOPPY drives, all the motors from DVD or CD drives I have look different.
    There a Stepper apparently is not enough.
    In DVD/CD I saw only DC servos - unfortunately most without direct feedback sensor.
    Probably this is done via the laser ...
    OneDVD/CD motor I have is with HALL feedback sensors
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