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TEVO Little Monster Duet Ethernet Conversion

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My Duet controlled machine
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  • undefined
    mrac1
    last edited by 12 Jan 2018, 22:50

    I don't think so, at least I've never seen or heard this.

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    • undefined
      coleman.joe
      last edited by 22 Jan 2018, 22:14

      Just wondering is your machine silent with the Duet wifi board? I had TMC 2100 on my TLM and just did the duet conversion and it sounds like it did before I put the TMC 2100's in.

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      • undefined
        mrac1
        last edited by 23 Jan 2018, 07:29

        I gues you've choosen 32 microstepping on all axes? Try 32 on the Extruder and 16 to 256 interpolated on x/y/z.
        Config.g:
        ; Drives
        …
        M350 E32 I0 ; Configure microstepping without interpolation
        M350 X16 Y16 Z16 I1 ; Configure microstepping with interpolation
        ...

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        • undefined
          coleman.joe
          last edited by 27 Jan 2018, 18:09

          Do I need to change this as well? When I set it to 16 per your recommendation, the head drives into the bed. Change it back to 32 and it's fine.

          M92 X160 Y160 Z160 E837 ; Set steps per mm

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          • undefined
            coleman.joe
            last edited by 27 Jan 2018, 18:25

            Figured it out. I dropped from the 160 to 80 and it seems to be working like a champ. Thanks for the assist mrac1.

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            • undefined
              h3rb
              last edited by 29 Mar 2018, 11:47

              I'm going to follow this but I'm also going to take a step forward and modify the effector either replacing with a smart effector or similar. I've removed my flying extruder and done a direct mount:

              https://openbuilds.com/builds/tevo-little-monster-direct-mount-extruder.6905/

              This relieved some issues I had with the bowden line, however I ended up with an odd jamming issue, where at the top of the throat I would collect liquid goo (perhaps the temp was too high for this ABS) which would solidify effectively creating a blockage.

              In the process of removing the blockage, I bent the pin of the BLTouch beyond repair, and began to contemplate why the BLTouch sucks. (The hard plastic of the shell of the BLTouch ought to extend down the pin shaft so it doesn't ever have a chance to bend!) For $45 to replace that's just… lame. So, the Smart Effector is probably a next step. Problem is I now have to design a new way to mount the coldend.

              I'm looking forward to doing this conversion. I have yet to actually print with the Tevo Little Monster. I was able to do an extrusion.

              –
              Owner, lostastronaut.com

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              • undefined
                Haydn
                last edited by 26 Apr 2018, 01:44

                Is there anyone with a TEVO Little Monster on Maui?
                I'd love to see one in operation (or if yours is broken, perhaps I can lend a hand)...

                Mahalo!

                --Haydn

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                • undefined
                  xubu
                  last edited by xubu 6 Nov 2018, 01:49 10 Jun 2018, 19:05

                  I have a tlm and have converted. But I'm have some trouble understanding whats happening and confirming things are right before printing.

                  I have a duet wifi at firmware 1.17 connected to a 7" paneldue.

                  I have read and followed information here and at thingiverse. Data in config.zip replaced all that was in /sys (iirc).

                  I can power on and when it turns on I see/hear the bltouch extend and retract.
                  I can home and move the head via paneldue. Duet seems to be okay with the default optical end stops provided by tevo. Temperature of bed and hot end is accurate reported through paneldue.

                  Here are my problems that Im having trouble with understanding.

                  1. After turning on, the heat bed immediately starts heating and does not stop heating (ive gone to 153 degrees Celsius) before saying that's too much. i wired this wrong. Mks pinout wasnt exactly forthcoming with info. Accidentally swapped main power and heat bed power wiring.

                  2. When performing bed leveling, the head stops at the first point. No commands are registered via paneldue and forcing a stop command leaves the paneldue in perpetual "connecting" state.

                  3. Unsure if I can send commands through paneldue. I go to console and there's a keyboard icon at the top right. I can tap anything (e.g. G30 for z probe testing) but I see no option to send. Is sending commands reserved for wifi/usb/ethernet connection?

                  I have not configured wifi settings, I can do this though if it would help.

                  If this should be in its own thread, i apologize.

                  undefined 1 Reply Last reply 11 Jun 2018, 08:48 Reply Quote 0
                  • undefined
                    dc42 administrators @xubu
                    last edited by 11 Jun 2018, 08:48

                    @xubu said in TEVO Little Monster Duet Ethernet Conversion:

                    1. When performing bed leveling, the head stops at the first point. No commands are registered via paneldue and forcing a stop command leaves the paneldue in perpetual "connecting" state.

                    Did you check whether there were any error messages on the Console page of PanelDue?

                    After you do an Emergency Stop, the Duet has to be reset.

                    1. Unsure if I can send commands through paneldue. I go to console and there's a keyboard icon at the top right. I can tap anything (e.g. G30 for z probe testing) but I see no option to send. Is sending commands reserved for wifi/usb/ethernet connection?

                    To send a command, touch the Enter key, it's the key to the right of the space bar.

                    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

                    undefined 1 Reply Last reply 11 Jun 2018, 14:42 Reply Quote 0
                    • undefined
                      xubu @dc42
                      last edited by 11 Jun 2018, 14:42

                      @dc42

                      I figured half the problem with the bltouch.
                      My wiring was incorrect. I was using the all 4 z probe pins (connector next to paneldue) + 1 e0 stop pin. Instead, i am now using 2 z probe pins (z probe in and ground) + 3 expansion pins (1, 2, & 8).

                      With that wiring, the bltouch pin drops and retracts at startup and during calibration of the first point but does not move to the second point. This could be a matter of playing with config.g.

                      No logging is displayed during calibration.
                      Really tempted for the Mini IR scanner as a replacement as im not fond of bltouch anyways.

                      Also, i have tried some simple commands through the paneldue. Pressing the return just clears the line. I cant tell if the duet registers anything. Also, i only have 4 wires connecting my duet (in connector next to z probe on the duet) and paneldue.

                      undefined 1 Reply Last reply 11 Jun 2018, 23:42 Reply Quote 0
                      • undefined
                        xubu @xubu
                        last edited by 11 Jun 2018, 23:42

                        @xubu

                        I figured out the calibration problem. The other half was tweaking stuff in config.g. looking good so far! Thx!

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                        • undefined
                          owesto
                          last edited by 28 Aug 2018, 23:31

                          Great post I am getting ready to do the same thing to my tevo monster I was hoping to get a copy of your configuration files to give me a good starting place

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