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  • MatterControl 2.0 BAUD Setting?

    I just installed MaterControl 2.0 and am connecting it via USB to an ANET A8 running Marlin 1.1.9.1. When I try to connect from MaterControl the printer reboots and MaterControl fails to connect. I thought the BAUD rate may need to be set inMaterControl, but I cannot find any way to do so. I liked at instructions on the MaterHackers site, but they are showing an older version. I looked for an older version, but all links lead to 2.0. Does anyone know how to set the BAUD rate in MaterControl 2.0? Or where to obtain an older version?

    Thanks,
    JBass

  • #2
    I do not have your printer, but 115k works on my printers. Also, use a quality USB cable.

    Cheers

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    • #3
      Thank you for the response. I already tried every reasonable BAUD rate in the COM port. I think I need to change the BAUD rate setting in MatterControl. But I cannot find any way to do so. There are no baud, edit or settings I can find for the port in MaterControl

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      • #4
        You set the baud rate on the "printer tab". This tab is not displayed by default so click on the three-dot menu on the top right and select the printer option. In addition, I agree with the earlier comment that cables are often an issue. Many USB cables are only configured for charging and not for communicating data.


        Here is a picture:

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        • #5
          Usually printers use 500000 which is supid

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          • #6
            Thank you Irv. I see it now, and will try it within a few hours and report back. I have confidence in the cable since I have used it before, but will switch if the BAUD change doesn’t resolve the issue.

            BAUD rate set in configuration.h if the Marlin source is 115200. I need to match MatterControl to that.

            And on a side note Irv, thank you for your work and time in producing the Chanel. I am nearing retirement, and your Chanel is an excellent inspiration. Only problem now is to narrow the number of activities to something reasonable. Thank You Irv!!!

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            • #7
              Great news! I changed the BAUD and it connected.

              But I tried to calibrate the bed and it keeps driving the Z axis down. I need to debug and fix the Z axis limit switch. In working on it, I don’t yet see how to step an axis from MatterControl, but I’ll keep looking when I get back to it.

              Hey Irv, a session on using MatterControl 2.0 would be good. . Everything I can find online seems to be an older version, which has changed significantly.

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              • #8
                Is the Z axis actually driving into the bed?

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                • #9
                  Yes. But I noticed the same before updating to Marlin, when homing from the keypad. I need to check the switch and connections with an ohmmeter, which I’ll do within the next few hours (work has priority, this is limited to breaks).

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                  • #10
                    For sure. A continuity check would be a good start.

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                    • #11
                      Doing it now. Without spending any time on it, do you know how to manually step the motors from MatterControl?

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                      • #12
                        Sorry, no. I only looked at MatterControl once, very briefly. If MC has a command window where you can issue gcode commands directly to the printer, you should be able to do it manually.

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                        • #13
                          Great news. I found a faulty solder joint at the Z limit switch. Fixed it and it works fine now.

                          Also, I found a Terminal tab next to the Printer tab. It shows all G commands being sent to the printer, and allows manual entry. I was able to send G commands to position the axes and to home all axes.

                          thank you much for the assistance in a time of need. 👍

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                          • #14
                            I love it when a plan comes together.

                            I'll tell you something I now do before every print. I preheat the hotend to between 230C & 240C. While it's heating I issue:

                            G1 X100 Y100 Z100

                            Once the hotend is up to temp, and after feeding the filament into the hotend I issue:

                            G1 E100 F150

                            I find that really helps ensure the filament is feeding cleanly & evenly.

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                            • #15
                              I’m getting ready to level the bed and try a print. After leveling the bed, I’ll manually try

                              G90
                              M140 S50
                              G1 X100 Y100 Z100
                              M104 S235
                              G1 E100 F150
                              G28

                              Then start the print.

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