You would have to write an INDI driver to translate focusing commands to G code. Possible but I think not worth it.
There is a much simpler option for focuser hardware, available for MyFocuserPro:
Arduino Uno + Motor Shield + NEMA 17 motor.
Motor Shield just plugs into the Arduino board, no soldering whatsoever and very compact.
There are even project boxes available for this combo.
I built several focusers using this approach, they all work very well.

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