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3d printer - Leapfrog creatr conversion

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BillTodd:
I may be premature but, this is as done as I can get it, until the touch sensor arrives.

BillTodd:
A sleek Biqu microprobe arrived promising +/- 3um accuracy ....



While measuring the logic output, I found it  has a linear range of about 200um thus making it entirely reliant on the logic threshold of the I/O port -   :bugeye:

I cannot seem to get Marlin to use the probe as a Homing device , which is what i bought it for , as i don't really need to level the bed every print and only want to be able to change surfaces (which will vary in height) .


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