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BlackBox X32 and FluidNC Config

Discussion in 'Controller Boards' started by that-jim, Jan 3, 2023.

  1. that-jim

    that-jim Journeyman
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    I after flowing this guide by Shell M. Shrader I do have FluidNC running on a BB32. I am still need to calibrate the stepper motors. I think I am missing a something like a place to specify microsteppping. So I wanted to double check the type of stepper driver that I am specifying in the config. FluidNC allows for the use of a lot of different types of drivers and I want to make sure I have the best match for what the BBX32 uses.

    So here are my questions, Can anyone tell me what type of stepper drivers the BBX32 is built with? Also is there any documentation of ESP32 pins are used for inputs, outputs and serial? I want to feel confidant I am specifying the correct pins in my fluidnc config.

    I realize this is something that is not fully supported, but I don't see this stuff in any documentation and I don't know were else to ask.
     
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

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    ESP32/BlackBoxX32_map.h at master · grblHAL/ESP32 lists all the pins but also see Added Openbuilds BlackBox X32 Example Config by synman · Pull Request #746 · bdring/FluidNC (already done)

    Nope, just set axes > ?? > steps_per_mm correctly. We use 1/8th microstepping, 200 steps motors, 8mm pitch leadscrew. 200steps * 1/8microstepping = 1600 steps per rotation / 8mm per rotation pitch = 200 steps per rotation (for example) (lines 14, 38, 67 in the sample file Added Openbuilds BlackBox X32 Example Config by synman · Pull Request #746 · bdring/FluidNC)

    All in due time, we are still working on it - but as multitasking goes had to leave it halfway done and work on some other tasks first - when its all polished and ready we'll add docs, and announcements and all that stuff. In the meantime, we put out early what is done, so folks can play with it :) but you won't get to complain yet - we are not "ready". See FluidNC support · Issue #283 · OpenBuilds/OpenBuilds-CONTROL for progress

    Standard dir/step/enable FluidNC Motor Setup · bdring/FluidNC Wiki
     
  3. that-jim

    that-jim Journeyman
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    Thanks for the help, I will read thru all of the links provided.
     
    Peter Van Der Walt likes this.

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