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  1. 17-11-2015 #25
    to204's Avatar
    Lives in Wisbech, Norfolk, United Kingdom.
    to204
    Last Activity: 17-11-2015 Has been a member for 9-10 years. Has a total post count of 4.
    Using an electric probe and Gcode that uses the multiple heights with interpolation is essential for good PCB production.

    On Ebay there are very inexpensive digital laser RPM meters available from China that will give you your spindle speed within minutes. You can then calibrate your potentiometer.
    Last edited by to204; 17-11-2015 at 10:29 PM.
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