TinyG purchase question

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  • February 27, 2019 at 5:42 pm #11323
    Yoom
    Member

    I am looking for some advice regarding whether TinyG board will work
    for my situation.

    I have Four bipolar stepper motor model 42HB34F08AB-06
    Spec Input rating:
    4.96V
    .8A

    I am looking for a bipolar stepper motor controller.

    1.
    and I wondering if the TinyG will work with my 42HB34F08AB-06 motor?
    2.
    Will it has enough current to handle all 4 .8A?
    3.
    What is the Input power for the TinyG? it is power through the USB (5v)?
    or it has it own input voltage somewhere on the board?

    4.
    If no, then is there a recommendation what controller I should look into?

    Any help with be greatly appreciate it.

    Thanks,
    Y

    February 28, 2019 at 5:45 am #11324
    cmcgrath5035
    Moderator

    The 42HB34F08AB-06 appears to be a NEMA 17 motor, relatively low holding torque. tinyG can source up to 1.8A per output which should be more than adequate for making these motors move.

    The much bigger question is do these motors fit your intended machine, are they adequate to task and what overall control strategy you plan to implement.

    Your power question implies you have not read thru the tinyG wiki much.
    You should read through all the Getting started pages at least to understand how tinyG might fit into your application.
    https://github.com/synthetos/TinyG/wiki

    February 28, 2019 at 11:21 am #11325
    Yoom
    Member

    Thank you for your response. I have a 4 wheel robot with stepper motor that
    I am working on. I just want to have one controller board and able to control those stepper motor from a remote host (like a RaspberryPI host). The communication from the RaspberryPI host NEED to be interactively and responsive (not a batch job). Can I use TinyG for this requirement?

    This TinyG seem to do the trick for my POC project as far as the spec goes.
    However, I am not uncertain about the technology. I don’t mind to learn the GCODE way but uneducated whether it is fast, reliable and doable for my use case.

    I want to able to invoke or send a set of commands directly from a Unix host
    such as a RaspberryPI to move those Stepper motors. Using a combination
    of Python or C++ codes or Gcode. Will I able to do this interactively without
    have to download or send a whole Gcode file to the TinyG device everytime the
    RaspberryPI host needs to send the commands? I did some googling and they said the TinyG require Gcode file to run.

    So far, I can not find any 4 channel stepper motor out there
    to use for my POC. There are lot of multiple part that one can put together, However, I am look for one an integrate controller board.

    Thank you for your input and comments

    Yoom

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