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new to mmos, and new in the forum

Discussion in 'DIY peripherals' started by ototo_gearhead, Apr 3, 2022.

  1. ototo_gearhead

    ototo_gearhead New Member

    Joined:
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    My Motion Simulator:
    DC motor
    Hello fellas,
    I've been following lots of builds from this forum, I really enjoy them... almost as much as building my own stuff. There are lots of talented people here. Thanks to all of you for sharing your knowledge.

    During cuarantine I built a ffb wheelbase thanks to the info I got from some threads and youtube emc tutorials and it worked fine. in the end I had to reuse my hardware to repair a friends old g25 that had a burned controller board.

    Now I've bought a stm32f407vet6 board, the black one, so I can try a different board and learn some new things in the process. I've flashed the board with the hex file, and the api mmosforcefeedback20014 recognizes it. The problem that I have is that ffb isn't working. the only effect that seems to be working are the softs stops. As I reach 900º or 0º the motor locks the wheel.

    The encoder is working fine, I've tested it in AC and in the wheelcheck app. The bts might be working fine... I think, if not the soft stops wouldn't be working, but I don't know why there is no other effect. I've also tried to run a step log test, but nothing happens.

    After checking lots of threads, and searching via google, I can´t find the problem.

    I'm using the stm32 board, with a itb-2 hbridge, and in the mmos setup pwm dir. Both enable wired to pe9, lpwm to pe10 and rpwm to pe11.

    thanks for your time¡¡¡ and knowledge;)
    ototo_gearhead, Apr 3, 2022
    #1
  2. Sieben

    Sieben Active Member

    Joined:
    Nov 6, 2018
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    pwm dir

    Use h-bridge.
    Sieben, Apr 4, 2022
    #2