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Wheel looses center

Discussion in 'DIY peripherals' started by Francisc, Mar 12, 2021.

  1. Francisc

    Francisc New Member

    Joined:
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    My Motion Simulator:
    DC motor, Arduino
    Hello
    I started to build a DIY wheel using:
    Black STM32 F407VE as the mainboard,
    OMRON E6B2-CWZ6C as encoder
    BTS7960 motor driver
    RS550s 18v motor
    noname PSU 12V 15A
    For software I am using EMC pro version.

    Now I have 2 problems:
    1.When using the board STM32 and EMC pro, the wheel is loosing it's center. If I'm turning the wheel fast, from right to left or left to right, the wheek is loosing his center. I noticed that the right turn it's normal, but the left turn is so much slower.
    Using an arduino board with EMC lite, the wheel is fine.
    Could the SMT32 board be faulty?

    2.Could the BTS7960 be burnt, even if the PSU does not provide over 43A? I was playing using the Arduino+EMC set up, and after crashing the car, the motor stopped working. If I plug it directly to the psu, the motor is working fine. But connecting it to the driver there is no sign of life.

    (Here are 2 videos demonstrating how the wheel decenters STM32 and Arduino)
    Francisc, Mar 12, 2021
    #1