Stewart platform motor numbering

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  • #30339
    Kevin
    Participant

    How are the motors numbered in the stewartPlatform2Firmware code? I have them numbered counter-clockwise (or anti-clockwise), starting at one of the base vertices (so motor 0 and 5 are together). Is this correct?

    TIA,

    -Kevin

    #30341
    Kevin
    Participant

    I just found https://www.marginallyclever.com/2013/03/miniature-rotary-stewart-platform-demo/, which answered my question – the answer is yes. I have to note that a lot of references have “gone missing” over the years, especially the build instructions, for using the rumba board, wiring, etc. that used to be here (on the Readme.txt file in github): http://learn.marginallyclever.com/index.php/Stewart_Platform_2.
    I can’t tell if the EEPROM section of the code does anything since I have the rumba board, and I am a bit perplexed about why the R60 command – R60 [Aa] [Bb] [Cc] [Dd] [Ed] (set sensors adjustment to new value [abcde]) only has 5 parameters instead of 6.

    Thanks

    #30352
    Dan
    Keymaster

    I hope it’s a typo? What URL are you getting the firmware from? I’ll try to fix the old post and point it to the github, plus find that missing letter.

    #30353
    Kevin
    Participant

    Dan,

    If you go here:
    https://github.com/MarginallyClever/Rotary-Stewart-Platform-2-firmware

    Scroll down the README.txt that is displayed by default.

    A couple of the links are broken, for example: Buy one today, which does bring you to the store, but not to this stewart platform:
    http://www.marginallyclever.com/shop/index.php?main_page=product_info&cPath=1&products_id=74
    And:
    Our helpful website has all the explanation and pictures to guide you along is 404 (this used to have a lot of great info):
    http://learn.marginallyclever.com/index.php/Stewart_Platform_2

    I think I am all set, but I thought you might want to know for others who find your stuff useful. Thanks for sharing, BTW.

    Thanks,

    -Kevin

    #30361
    Dan
    Keymaster

    Thank you for the links. Oh snap… that will take quite a bit to clean up.

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