I downloaded a Mach 3 Laser Post Processor from some forum somewhere, but it doesn't use PWM - it's either on or off - so it's not great - I've since changed to an Ortur Laser for all my laser stuff - for the PWM

I see, which mach3 breakout board are you using. Does it have pwm on it?@@HoarderOfHobbies

@@bobheadzeek If I remember correctly (this was like 2 years ago) the main problem was the computer would have had to do the PWM and while that's OK for a spindle, it would not have been good enough for a laser - the breakout board I was using for the laser is something like C10 I think amzn.to/3OB9vEb

I see, you just got a whole new laser rig.@@HoarderOfHobbies

I'm using a board that needs a parallel port from the PC

Look for some old DELL computers.

Sorry I don't have a printed wiring diagram - best I can offer is about 9 minutes into the video I explain the wiring

@@HoarderOfHobbies thank you🙂

@@HoarderOfHobbies hi..cnc router z axis drop occasionally while program running ….and normal movement move perfect but cnc router engraving happen you have any idea about this problem

@@mdsharook894 If the z axis is falling while you are in the middle of a job - it could be something like Idle current reduction - if the Z Axis is not constantly moving, it's possible there's a switch or setting that allows the driver to lower the current to save on power and keep the motor cooler - BUT that could also mean it's slipping because the lower current isn't enough to hold the motor in place with weight on the Z Axis... I'd look into your drivers and turn off idle current reduction for the motor and see if it still does it

@@HoarderOfHobbies In x y z a axis motor, both x and y is getting heat more but all the axis has same dip switch setting with same current and voltage