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Question 2dof motor problem

Discussion in 'Ready, set, go - Start your engines' started by andrew f, Nov 17, 2020.

  1. andrew f

    andrew f New Member

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    i have a 2dof im building with arduino and 2 MM. In smc3 motor one works correctly on motion but motor 2 only seems to go one way, no reverse. Is there anything i can try or is it likely a bad MM? Potentiometer seems to read correctly if i turn it manually(not connected to motor).
    andrew f, Nov 17, 2020
    #1
  2. andrew f

    andrew f New Member

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    wired like this currently

    Attached Files:

    andrew f, Nov 17, 2020
    #2
  3. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    noorbeast, Nov 17, 2020
    #3
  4. andrew f

    andrew f New Member

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    andrew f, Nov 18, 2020
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  5. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Correct, it seems Sparkfun have discontinued MMs, so those found online are clones.

    Those motors do not need ground isolation.
    noorbeast, Nov 18, 2020
    #5
  6. andrew f

    andrew f New Member

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    is there a "reliable" place to get the MMs? or what would be an upgrade from a MM?
    andrew f, Nov 18, 2020
    #6
  7. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    noorbeast, Nov 18, 2020
    #7
  8. andrew f

    andrew f New Member

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    I just got lucky, was painting my basement and found an extra MM laying around. Changed it out and it works in SMC3. Now onto simtools.
    • Winner Winner x 1
    andrew f, Nov 18, 2020
    #8
  9. andrew f

    andrew f New Member

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    actually before i move onto simtools. Im using a clarostat 73ja 10k pot, is there anyway to get the movement to be more pronounced in smc3? if i move to the full back or forward of my rig, the potentiometer barely moves off the center.

    Attached Files:

    andrew f, Nov 18, 2020
    #9
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    A wild guess but perhaps that is a 10 turn pot?

    How is the pot connected to the motor, directly or is it geared?
    noorbeast, Nov 18, 2020
    #10
  11. andrew f

    andrew f New Member

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    directly
    andrew f, Nov 18, 2020
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  12. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    How many turn of the pot does it take to go from one end of its range to the other?
    noorbeast, Nov 18, 2020
    #12
  13. andrew f

    andrew f New Member

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    10 turns
    andrew f, Nov 18, 2020
    #13
  14. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    Then I am guessing you would need to gear it.
    noorbeast, Nov 18, 2020
    #14
  15. LegendaryHotShot

    LegendaryHotShot New Member

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    My Motion Simulator:
    2DOF, AC motor, Arduino, Motion platform
    hola mi pregunta es el plugin necesario para mover los motores, mi simulador no se mueve con el juego pero los motores se mueven con SMC3
    Perdón por mi inglés, usé un traductor
    LegendaryHotShot, Nov 19, 2020
    #15