OUR FIRST ATTEMPTS WERE WITH THE PLANET-CNC SOFTWARE, GOING THROUGH USB BOB. NO PROBLEM GETTING X & Y AXIS TO MOVE BUT UNABLE GET ANY ACTIVITY ON Z AXIS. WE THEN INSTALLED MANUAL SWITCH BETWEEN 5V AND
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Is the signal gnd on the laser power supply connected to a gnd on the breakout board? Do you hear a high pitched sound, like a TV set with an antenna getting interference, but with a high pitch?
