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$450 Mige Direct Drive Wheel using MMOS and AASD

Discussion in 'DIY peripherals' started by Peacemaker105, May 6, 2020.

Page 7 of 25
  1. Thanos

    Thanos Building the Future one AC Servo at a time... or 6

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    Thanos, Jun 3, 2020
    #121
  2. diggumwood

    diggumwood New Member

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    @Thanos I sent a message on your discord in the #buy channel, I hope that's the right way. My name there is pretty much the same as here I think. Will I need to sell another kidney?

    Wife has been converted to the cause! After a very short wait for cash flow, I'll be getting this:

    90ST-M04025 220V
    https://a.aliexpress.com/_d6TwZqj

    With the genuine aasd driver.

    by the way regarding the Alibaba listings where the driver box looks different though it says aasd, the seller got back to me saying it was the same but on closer inspection of the pics it's actually called an SVD 15...

    Buyer beware I guess. Maybe would work but I'm just gonna have to give up that extra case of beer and get the nice-looking one with the aluminum fins on the side
    diggumwood, Jun 3, 2020
    #122
  3. Datch

    Datch New Member

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    Got same kit from same seller on Monday. It works fine except whining pitch noise.

    But there is one strange problem, stm32f407-disk1 board with MMos disonnects from pc about every 5 minutes when drifting in Assetto Corsa. Did anybody face same problem?
    • Informative Informative x 1
    • Optimistic Optimistic x 1
    Datch, Jun 4, 2020
    #123
  4. Thanos

    Thanos Building the Future one AC Servo at a time... or 6

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    Using Mige with argon or ioni?
    Thanos, Jun 4, 2020
    #124
  5. Datch

    Datch New Member

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    No. 90ST-M04025 with AASD-20A.
    I've resolved problem of wheel disconnecting randomly - just connected PA9 to 5V. So now stm32f407g-disc1 is powered only by micro usb. There is no need to connect mini usb cable, just connecting micro usb is enough.

    But after this fix I've noticed that sometimes (like once in 5 or 10 minutes) AC loses wheel position info for about 5-10 seconds and my car just drives me into the wall)). After that position lose ended wheel continues
    working normally without new calibration till next random position lose.
    • Winner Winner x 1
    Datch, Jun 4, 2020
    #125
  6. sedesa tatasa

    sedesa tatasa Member

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    I had the same problem when I was taking power from　AC adapter.
    It seems to be a matter of power stability.
    Are you using a usb hub?
    • Like Like x 1
    sedesa tatasa, Jun 4, 2020
    #126
  7. Datch

    Datch New Member

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    Hmmm. Yes, my stm32 is connected to usb hub without additional power supply. But there is only stm32 connected to usb hub. Anyway I'll try to connect board directly to PC USB port. Thanks for idea.
    Datch, Jun 4, 2020
    #127
  8. Thanos

    Thanos Building the Future one AC Servo at a time... or 6

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    Wow guys... I did not see any of these issues, but then again I use the Core407v module not the Discovery...
    Thanos, Jun 4, 2020
    #128
  9. HUANGJIN

    HUANGJIN New Member

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    My Motion Simulator:
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    1 Do not extend the USB cable
    2 Check the servo drive encoder wire welding problem
    3 Check the DB25 pin socket
    1 Do not extend the USB cable
    2 Check the servo drive encoder wire welding problem
    3 Check the DB25 pin socket
    Discord server helps each other to communicate together
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    • Like Like x 3
    Last edited: Jun 5, 2020
    HUANGJIN, Jun 4, 2020
    #129
  10. Datch

    Datch New Member

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    I've connected all the cables directly to PC and there were no issues for 3 hours of drifting in Assetto corsa. Only servo was heated up to 60 C. Thank you guys!
    • Like Like x 1
    Datch, Jun 4, 2020
    #130
  11. diggumwood

    diggumwood New Member

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    How bad is the noise?
    diggumwood, Jun 5, 2020
    #131
  12. Peacemaker105

    Peacemaker105 Active Member Gold Contributor

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    Here's a build video of the DD Wheel in its current state.

    • Like Like x 3
    • Winner Winner x 2
    Peacemaker105, Jun 6, 2020
    #132
  13. Peacemaker105

    Peacemaker105 Active Member Gold Contributor

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    Hey mate, did you get the power issue sorted? I find i have to use 2 short cables. I have got one plugged into a powered usb hub and one in the computer. The usb hub will need to be a good one as i have another cheap powered usb hub and it does not like it.
    • Informative Informative x 1
    Peacemaker105, Jun 6, 2020
    #133
  14. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    • Friendly Friendly x 1
    noorbeast, Jun 6, 2020
    #134
  15. iLLuac4

    iLLuac4 Active Member

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    Would it be possible to use blue pill (with fixed resistor) board if there is no need for logitech connectors?
    iLLuac4, Jun 6, 2020
    #135
  16. Peacemaker105

    Peacemaker105 Active Member Gold Contributor

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    Looks like the Flash is only 64kb whereas the MMOS firmware is 86kb so processing power and pinout aside i'd say no just based on that alone.
    Peacemaker105, Jun 6, 2020
    #136
  17. Thanos

    Thanos Building the Future one AC Servo at a time... or 6

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    My Motion Simulator:
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    The blue pill is different architecture, won't run MMOS.

    The Core407v has exactly same architecture just half memory size. And happens to have all pins free. I tried another board from ebay that is same as the Core407v but had SD card reader attached that was causing pin conflicts and wouldn't run MMOS.
    • Like Like x 1
    Thanos, Jun 6, 2020
    #137
  18. Datch

    Datch New Member

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    Same situation. I have to connect both usb cables for stable power connection.
    • Like Like x 1
    Datch, Jun 8, 2020
    #138
  19. ajosesi

    ajosesi New Member

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    Although I just started sim racing and this is overkill for me, I love sim racing and I love DIY. Question: I have one of those usb handbrake with hall sensor and Arduino from AliExpress; to have a neat setup, would the Discovery board and the software allow to also manage the handbrake? (Ditching the Arduino)
    ajosesi, Jun 11, 2020
    #139
  20. warenosyo

    warenosyo New Member

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    Thanks for all of the community members try and error logs mainly from Thanos and Peacemaker!
    I'll try to make my own from today.

    So I'm not so macho guy like Thanos so I'm looking for 90ST motor.
    No information about M04025
    https://www.aliexpress.com/item/4000330120193.html
    • Like Like x 1
    warenosyo, Jun 13, 2020
    #140
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