Hi. Someone had tried this method of leveling the PCB with the ShapeOko &

General CNC CNC Routers
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Hi. Someone had tried this method of leveling the PCB with the ShapeOko & grbl?: http://phk.freebsd.dk/CncPcb/

I’ll like to give it a try.

Thanks!.

2

Yah I do this with TinyG. Not grbl. I just setup the homing switch for the z axis min to normally open… Then issue a g28.2z0 and it is “homed” once it hits the pcb.

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I’ve included a G38.2 command to grbl, and also a $Z command that implements a touch plate.
I’ve modified the C files provided by Poul to send directly the G38.2 commands, parsing the grbl position, and generating the resulting gcode file with the calculations inline.
For now testing is going fine. Will be doing a PCB in the next couple of days.