Interesting. I figured not all of the pins were being used. And now that you’ve done the legwork, I think I will try and tap into Pin 40, instead of messing with the soft on/off power switch wires, and connect it to my automated control box (Automated Spindle and Vacuum Power Control Box). I can then auto power down after long carvings, and power on while upstairs to upload gcode for the next day.
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