Z Probe Support via A5 Pin?


is there a way to use a Z probe via the A5 pin? It would enable some kind of better focussing.

Thanks, Rob.

GRBL would be the thing doing the probing, so you’d just execute a G38.2 command in the console.

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How would you touch the z probe… A spindle has a metal bit to complete the connection.


You wouldn’t touch it, you’d just mount a small limit switch to a post / pin, or use a beam break, or any other standard way that auto focus units work on a laser. :slight_smile:

Thank you. Makes sense

There are mechanical probes which act like end stops I would use.

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