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  • Recent Threads

    jwatte

    Malum IK

    Thread Starter: jwatte

    Maybe I'll bring an MX-64 robot instead of the AX-12 one? I mean, eighteens days is a lot of time.
    Who needs to work, amirite? :-)

    Last Post By: tician 5 Days Ago Go to last post
    Tommy_T

    Making a mechanical gyro?

    Thread Starter: Tommy_T

    I understand I could get a laser ring gyro for around $2000, but back in the 1970's
    I worked on a missile system in the army that used a analog

    Last Post By: Tommy_T 5 Days Ago Go to last post
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  • Recent Forum Posts

    tician

    Re: Malum IK

    I was never able to access jwatte's and mine is no longer showing the thumbnail or even properly linking the image. Might be because of "invalid

    tician 5 Days Ago Go to last post
    KurtEck

    Re: Malum IK

    Maybe it is just me, but I can not get to either of your (jwatte and tician) attachments...

    Gives me an error about invalid_attachment...

    KurtEck 5 Days Ago Go to last post
    Tommy_T

    Re: Making a mechanical gyro?

    960rpm


    because I'm not interested in the pitch axis data it seems I would be better off using the top image layout
    for the pitch

    Tommy_T 5 Days Ago Go to last post
    jwatte

    Re: Making a mechanical gyro?

    How fast can you spin that encoder before it starts losing steps?

    jwatte 5 Days Ago Go to last post
    jwatte

    Re: Malum IK

    [quote]More crammed than this 33x50mm thing?[/COLOR]

    Probably not on average, but the dual-rail buck converter area, and the video-switch-and-general-inverter

    jwatte 5 Days Ago Go to last post
    Tommy_T

    Re: Making a mechanical gyro?

    Plan A

    looks like a us digital encoder that can give me 240000 counts costs $200.00(doable)

    the top shaft is longer for mounting

    Tommy_T 5 Days Ago Go to last post
    tician

    Re: Malum IK

    More crammed than this 33x50mm thing?



    ATSAM D21 for control with 32k crystal, primary TB67S249 stepper driver, secondary DRV8871

    tician 5 Days Ago Go to last post
    Tommy_T

    Re: Making a mechanical gyro?

    brass stock for flywheel



    plan A for powering the flywheel





    I'v never played with these

    Tommy_T 6 Days Ago Go to last post
    jwatte

    Re: Malum IK



    Not sure this is all that useful. The board is fairly crammed, so it's hard to tell from the CAD. Maybe I'll remember to take a photo when

    jwatte 6 Days Ago Go to last post
    jwatte

    Re: Malum IK

    They didn't have QFN footprints to match, so I constructed them in KiCad using the recommended dimensions from the data sheets. Also: I use "QFN"

    jwatte 6 Days Ago Go to last post
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