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Thanos Tdd board failure ??

Discussion in 'Direct Drive Wheels' started by Gadget999, Mar 8, 2023.

  1. Gadget999

    Gadget999 Well-Known Member

    Joined:
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    My Motion Simulator:
    2DOF, DC motor, Arduino, 6DOF
    My mmos DD wheel appears to have stopped working

    I did manage to get it to work for a short period by changing PN190 the voltage offset

    It appears that no voltage is going into the DAC from the stmf407 board

    I have a spare board and a st-link v2 programmer

    What pins do i need to connect to get the firmware onto the new stm324707 board ?

    Any help greatly appreciated

    Attached Files:

    Gadget999, Mar 8, 2023
    #1
  2. Gadget999

    Gadget999 Well-Known Member

    Joined:
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    11,898Coins
    Ratings:
    +479 / 10 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, 6DOF
    Gadget999, Mar 8, 2023
    #2
  3. Gadget999

    Gadget999 Well-Known Member

    Joined:
    Dec 27, 2015
    Messages:
    1,945
    Location:
    London
    Balance:
    11,898Coins
    Ratings:
    +479 / 10 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, 6DOF
    after some investigation - it looks like the DAC on the board has failed

    it seems to work sometimes and not others - interestingly I had to revese the encoder direction to get the wheel to work again ??????

    I have ordered an alternative DAC - will post the result soon
    Gadget999, Mar 9, 2023
    #3