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Type: Posts; User: CScotty

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  1. Replies
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    Re: GRBL Uno Breakout Board / Shield Board

    This is crude but effective. It's virtues are isolation and simplicity.

    https://www.cnczone.com/forums/attachment.php?attachmentid=463180&stc=1
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    GRBL Uno Breakout Board / Shield Board

    If you are thinking about using the GRBL Breakout Board/Shield CNC Design Ltd you might be uncomfortable wiring it up without having a clear idea of what is on the board. Especially as it doesn't...
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    Re: TX14207 SCHEMATIC

    I think have three that I've retired if you want. You can contact me via http://bmamps.com.

    -CS
  4. Re: Is there a way to up the driver current on the tx14207 stepper driver from my CNC

    And here's a coda to the above changes I made to these TX14207 boards. I set up one of them to do one step left then one to the right on the bench. Ran for hours and checked to see of they had...
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    Re: TX14207 SCHEMATIC

    Adding:
    S7: This reduces the motor current at low speeds i.e. less than about 10 whole steps per second. Makes the motor a run bit nosier but is kinder to the motor, the driver and the power ...
  6. Re: Is there a way to up the driver current on the tx14207 stepper driver from my CNC

    A bit late to the party but this might help.

    Like you, I got a Chinese CNC 6040 with TX14207 controllers and TX14175 parallel port interface and had missing steps issues. Put to one side for a...
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    Re: Soon to be 6040z 4 Axis Owner.... Maybe

    It must be about delivery time. How is it working out?
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