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Question Sabertooth motor just spins

Discussion in 'DIY Motion Simulator Projects' started by Game-on, Nov 25, 2018.

  1. Game-on

    Game-on New Member

    Joined:
    Nov 1, 2018
    Messages:
    2
    Balance:
    69Coins
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    My Motion Simulator:
    2DOF
    Ok. So i just finished building my 2dof
    Rig. Before making all wiring permanent. I did a pre set up wire just to make sure all was working.. and it did.

    Tested in LFS and it worked albeit with minor movements, but it worked.

    Once that was done i went ahead a wired everything again finishing the build. For some reason now the motor just rotate in circles when power is supplied.

    Here what im using
    2 12 v worm gear motors
    Two server psu in parrallel.
    One 2x32 sabertooth.
    Arduino uno
    And two hall sensor pots.

    I changed the baud to 115400 on describe software. And uploaded and save.

    Here where my issue is. When i first tested the sm3utility. And was putting down the values. The green feedback graph would respond as it should.

    Now however, after making everything final. When iraise the pwmmax values to get the green bar to go toward the blue.. nothing happens. The green won't move. And the motor just spin.

    Seems like something isnt reading the pots? I didn't do anything different from test set up to final setup.

    As for jumping to change baud. When it states ground pin x.... do i found the pins on the arduino?

    Also do i need to use the white resistors the sabertooth come with?

    Any help will be greatly appreciated

    Here a pic of my rig.

    I will do a tutorial on how i built this rig once everything is up and running. 20181125_132607.jpg 20181125_132531.jpg 20181125_132607.jpg 20181123_013807.jpg

    20181125_132531.jpg
  2. BlazinH

    BlazinH Well-Known Member

    Joined:
    Oct 19, 2013
    Messages:
    2,145
    Location:
    Oklahoma City, USA
    Balance:
    16,574Coins
    Ratings:
    +1,831 / 32 / -1
    Since it worked before appearantly you did.

    Yes but you already set the baud.

    Probably best, thats why they were included.