Probe Break out Box

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One of the things that I’ve been trying to do on my mill/lathe is to make the alignment and calibration easier.  One of the add ons for mach3, MachStdMill makes this a lot easier through the use of probes.  Unfortunately some of the probes are normally open and some are normally closed.  He provides a schematic to make 3 varied probe types work to trigger the same input.  I put the board into Eagle and had some made at oshpark.  Then I made a 3d printed enclosure for it.  You can see the board, and the video below.  I’ll upload the Eagle files if anyone is interested.

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