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    Going to build a laser engraver...

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    • DeltaConundefined
      DeltaCon
      last edited by

      Should I go with a Duet controller?

      I am mainly interested in engraving photographic images, so raster or probably greyscale. I read that there is a lot of development going on for the purpose of lasering, but that engraving rasters is stil somewhat of a challenge. Is that correct? I am using Duet in my 3d printer, so I would really like to stick to that, but if a simple grbl board is so much more suited for the job I would be stupid to not go that route.

      So in short: what is the status of Duet being able to drive laser engravers?

      If you think trial and error is dangerous, try routine. That's even more so!

      1 Reply Last reply Reply Quote 0
      • A Former User?
        A Former User
        last edited by

        I think the biggest factor would be which software you'll be using to generate your g-code. There are a few threads indicating the support may be on par with grbl etc, but it also seems to be a priority to fix any issues thats limiting the firmwares ability to work with lasers.

        Maybe if you elaborate a little more details on your use case someone can give you some more accurate feedback.

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        • Danalundefined
          Danal
          last edited by

          One of the best software for hobbyist or pro laser is "Lightburn". They have demo, and they are fairly cheap, at $40 for the G-Code compatible version. https://lightburnsoftware.com

          The point being, you can look at their output G-Code right now, if you wish, including getting a feeling for how they raster.

          Delta / Kossel printer fanatic

          1 Reply Last reply Reply Quote 1
          • dc42undefined
            dc42 administrators
            last edited by dc42

            There are several users already running laser engravers with Duets. We have been in discussions with Lightburn and we have further development work planned in the near future to reduce the amount of GCode needed when doing raster engraving.

            Duet WiFi hardware designer and firmware engineer
            Please do not ask me for Duet support via PM or email, use the forum
            http://www.escher3d.com, https://miscsolutions.wordpress.com

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            • mundsenundefined
              mundsen
              last edited by

              I`m working on a laser where I did plan to use a Duet 2 WiFi

              Is there a software like LOightBurn that is compatible with RRFW today?
              Or Should I start with an simple grbl controller and wait for RRFW support in LightBurn?

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              • dc42undefined
                dc42 administrators
                last edited by

                RRF is already compatible with GCode generated by Lightburn. In fact, Lightburn has configuration options to generate a number of different styles of GCode.

                Duet WiFi hardware designer and firmware engineer
                Please do not ask me for Duet support via PM or email, use the forum
                http://www.escher3d.com, https://miscsolutions.wordpress.com

                mundsenundefined DeltaConundefined 2 Replies Last reply Reply Quote 0
                • mundsenundefined
                  mundsen @dc42
                  last edited by

                  @dc42 reat 🙂 So I can run my Duet 2 WiFi with the latest RRFW 3 in combination with LightBurn ?

                  I have a 5V PWM laser and plan to use one of the pwm outputs on the Duet 2 extension board

                  dc42undefined 1 Reply Last reply Reply Quote 0
                  • dc42undefined
                    dc42 administrators @mundsen
                    last edited by

                    @mundsen said in Going to build a laser engraver...:

                    I have a 5V PWM laser and plan to use one of the pwm outputs on the Duet 2 extension board

                    That's a good way to interface a laser with a TTL-compatible PWM input to the Duet 2.

                    Duet WiFi hardware designer and firmware engineer
                    Please do not ask me for Duet support via PM or email, use the forum
                    http://www.escher3d.com, https://miscsolutions.wordpress.com

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                    • mundsenundefined
                      mundsen
                      last edited by mundsen

                      https://forum.lightburnsoftware.com/t/duet-controller-support/11976

                      Not full RRFW support yet? or is there news in the rrfw 3 that make it work with LightBurn?

                      dc42undefined 1 Reply Last reply Reply Quote 0
                      • DeltaConundefined
                        DeltaCon @dc42
                        last edited by DeltaCon

                        @dc42 said in Going to build a laser engraver...:

                        RRF is already compatible with GCode generated by Lightburn. In fact, Lightburn has configuration options to generate a number of different styles of GCode.

                        How would I start setting up LightBurn? Do I choose Marlin or GRBL as a default?

                        @bearer said in Going to build a laser engraver...:

                        Maybe if you elaborate a little more details on your use case someone can give you some more accurate feedback.

                        I am mainly looking for engraving photographic images. On wooden panels and back of mirrors. If possible in greyscale, if not in a fine dithering.

                        If you think trial and error is dangerous, try routine. That's even more so!

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                        • dc42undefined
                          dc42 administrators @mundsen
                          last edited by dc42

                          @mundsen said in Going to build a laser engraver...:

                          https://forum.lightburnsoftware.com/t/duet-controller-support/11976

                          Not full RRFW support yet? or is there news in the rrfw 3 that make it work with LightBurn?

                          I've added a post to that thread.

                          Duet WiFi hardware designer and firmware engineer
                          Please do not ask me for Duet support via PM or email, use the forum
                          http://www.escher3d.com, https://miscsolutions.wordpress.com

                          1 Reply Last reply Reply Quote 1
                          • Royassasundefined
                            Royassas
                            last edited by

                            The Grbl (not LPC and not M3) profile seems to work quite OK.

                            1 Reply Last reply Reply Quote 0
                            • Royassasundefined
                              Royassas
                              last edited by

                              Disregard my statement above - with further testing - it doesn't seem to play along.... - Let's wait for the firware update

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