Laser – J Tech Photonics Tips and hints

New Home Forum Mostly Printed CNC – MPCNC Your Builds – MPCNC Laser – J Tech Photonics Tips and hints

This topic contains 93 replies, has 12 voices, and was last updated by  Zeenon 2 years, 6 months ago.

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    Would a normal analog ammeter in line along the positive laser wire between the driver and diobe be the correct way to measure the amperage pulled by the laser?


    Jay Johnson

    Hi Jason,

    While I don’t normally recommend using a meter in the output path, an old school analog meter is the best bet. The digital ones tend to “sample” the signal and cause noise when this occurs. If you want to use the test points on the side and make a micro-controller solution here is the blog post on it:

    Hope this helps!

    Best Regards,



    Has anyone designed a mount that bolts directly to the MPCNC Z gantry using Ryan’s universal plate. The popular one seems like you have to pull the universal mount off the 3/4″ pipe.




    How I mounted the Jtech 2.8W laser module to the vicious1 MPCNC 525 mount:

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