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Question Motor Shudder

Discussion in 'New users start here - FAQ' started by Denis Mowberry, May 2, 2025 at 00:04.

  1. Denis Mowberry

    Denis Mowberry Member

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    Hi can anyone help with my new problem. I have rebuilt my control box with a new ardueno uno and ibt2 controllers but now my motors shudder uncontrollably. I have no idea what I have done wrong or where to start looking. Any suggestions gladly accepted.
    Denis Mowberry, May 2, 2025 at 00:04
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Have you double checked all wiring?

    Have you setup SMC3 from scratch?
    noorbeast, May 2, 2025 at 00:38
    #2
  3. Denis Mowberry

    Denis Mowberry Member

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    I went into smc3 and installed on to the new uno the same settings as the old one . I will recheck the wiring again
    Denis Mowberry, May 2, 2025 at 01:05
    #3
  4. Denis Mowberry

    Denis Mowberry Member

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    I have reset the system to control only one motor unplugging all the other wiring and still it is shuddering could it be a faulty Ardueno uno board
    Denis Mowberry, May 5, 2025 at 03:26
    #4
  5. Denis Mowberry

    Denis Mowberry Member

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    Sorry I should have added that when I smc3 on and run a sine wave the motor follows the line as it should but with the shudder I have also just found out that as soon as I turn the power on even without having the smc3 software running the shudder is the same. could it be a power supply problem.
    Denis Mowberry, May 5, 2025 at 03:31
    #5
  6. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Is it possible there is an issue with electrical interference?

    Additionally, other members have reported a lot of issues with ibt2 controllers, so do check them very carefully.
    noorbeast, May 5, 2025 at 09:33
    #6
  7. Qui

    Qui New Member

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    IBT2 is a cheap device so it has many limitations, needs to be installed correctly to optimize, you can refer to the parameters on youtube
    IBT2 is a cheap device so it has many limitations, needs to be installed correctly to optimize, you can refer to the parameters on youtube
    Qui, May 5, 2025 at 12:33
    #7
  8. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    I appreciate your video is trying to suggest some generic settings range for SMC3.

    However I feel your video misses the whole point of the SMC3 interface, and that is to allow individuals to fine tune settings for their specific hardware, nor is reference made to the initial recommended SMC3 setup steps: https://www.xsimulator.net/communit...3dof-motor-driver-and-windows-utilities.4957/
    noorbeast, May 5, 2025 at 12:41
    #8
  9. Qui

    Qui New Member

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    Yes smc3 is very customizable, but it will be difficult for beginners, this is just my recommendation,
    Qui, May 5, 2025 at 12:58
    #9
  10. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    noorbeast, May 5, 2025 at 13:02
    #10
  11. Denis Mowberry

    Denis Mowberry Member

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    Thanks for the help I have started from scratch and reset all the settings and two motors are fine the 3rd has a faulty potentiometer which is an easy fix. Again thanks for the help
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    Denis Mowberry, May 6, 2025 at 03:11
    #11