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    RepPanel - A DIY alternative to the PanelDue with WiFi support

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    • k3lagundefined
      k3lag @seeul8er
      last edited by

      @seeul8er said in RepPanel - A DIY alternative to the PanelDue with WiFi support:

      @k3lag I think you might be in luck. To me it is not 100% clear what the "4-wires" are exactly. The current built also does not directly specify a MISO for the SPI. The display offers a "data" connection that could be independent from the SPI to read the TFT data chip ID etc. So just give it a try!

      I did. It didn’t work. The board appears to be jumpered for 18-bit rgb instead of SPI. I’m in contact with buydisplay and we will see what they say.

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      • k3lagundefined
        k3lag
        last edited by k3lag

        Apparently I accidentally selected the wrong option when I ordered my board and I got the 18-bit RGB version. After talking to buydisplay I choose to rejumper the board for 4-pin SPI and it works now.

        5D27EB37-1731-47FF-AEA4-F8ABC79FE691.jpeg

        I am having a problem with it freezing after a few minutes of operation. Right before it freezes I see the WiFi icon turn yellow momentarily then it goes back to green and it's frozen at that point. After a reset it will work again for a while then do the same thing. I have an Orbi mesh WiFi network and I wonder if it's somehow struggling with that. When I go to pick a WiFi network it shows each of the 3 Orbi bases as separate networks and there is no way to tell which one you are picking. Don't know if that's the problem or not but I plan to fiddle more to see if I can figure it out. Never mind. I don't use the filament directory so once I added a filament file it was happy.

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        • seeul8erundefined
          seeul8er
          last edited by

          @k3lag Thank you for reporting the issue. I think someone already mentioned that. I added the bug to the github issues 👍

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          • fractalengineerundefined
            fractalengineer
            last edited by

            Aw man did I just goof up again?

            I ordered this panel after ordering another one that wasn't touchscreen...

            The pinout doesn't look right; but it seems to have the recommended driver

            https://www.aliexpress.com/item/4000127949256.html?spm=a2g0s.9042311.0.0.13734c4dRwnSJw

            Can I use this at all?

            Railcore II ZL

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            • fractalengineerundefined
              fractalengineer
              last edited by

              Ok so it appears to be a parallel display; I did however manage to get the library examples working on my esp32 using the TFT_eSPI lib on arduino IDE...Not sure how that would work on IDF

              Railcore II ZL

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              • seeul8erundefined
                seeul8er
                last edited by

                @fractalengineer In your case to get it working you will need to write a display driver for LvGL that supports the parallel interface. The drivers from LVGL do not support the parallel display interface as far as I know. The touch screen should work out of the box since there is already a driver available.

                fractalengineerundefined 1 Reply Last reply Reply Quote 0
                • fractalengineerundefined
                  fractalengineer @seeul8er
                  last edited by

                  @seeul8er Ok that's well beyond my skill level lol; I'll just look for an appropriate screen.

                  Btw this is tested to work on Duet3+SBC right?

                  Railcore II ZL

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                  • jay_s_ukundefined
                    jay_s_uk
                    last edited by

                    This currently only works with boards in standalone mode

                    Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

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                    • chimaeraghundefined
                      chimaeragh
                      last edited by chimaeragh

                      @Sindarius Can this be adapted to work in CNC mode? I would prefer this interface to the paneldue to control my workbee

                      Duet 2 Wifi, Ooznest Workbee CNC 1510

                      Sindariusundefined 1 Reply Last reply Reply Quote 0
                      • Sindariusundefined
                        Sindarius @chimaeragh
                        last edited by

                        @chimaeragh The DWC-CNC itself should not have anything to do with this. This is a separate interface that others are working on. It is quite slick though 🙂 Maybe whoever is working on this effort can look at making a version of it focused around a CNC, would be quite slick.

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                        • seeul8erundefined
                          seeul8er
                          last edited by

                          @chimaeragh As Sindarius already stated: RepPanel is self contained and runs on the ESP32.

                          Sadly I do not have the time or motivation to make a port for CNC applications. CNCs require quiet a lot more manual control over the heads position. I also think that because of that a bigger display (coupled with a more powerfull MCU) would be adequate which probably requires a complete rewirte of the code.

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                          • leewaaundefined
                            leewaa
                            last edited by

                            Hi there @PCR any boards pcb boards left ?

                            1 Reply Last reply Reply Quote 1
                            • PCRundefined
                              PCR
                              last edited by

                              yes 18x or so 😉

                              1 Reply Last reply Reply Quote 0
                              • leewaaundefined
                                leewaa
                                last edited by

                                Oh cool, I would be interested in one!

                                Is there some kind of dedicated page documenting the things I would need to get it running. I'm running the Duet 3 v1.01

                                1 Reply Last reply Reply Quote 0
                                • carlos_lemaundefined
                                  carlos_lema
                                  last edited by carlos_lema

                                  Hi there @PCR I am interested on a set = (PCB, GPIO Headers + ESP32), send me payment details — shipping to NYC 10023.

                                  Also, I might have missed it—where is the repo for the firmware? I am building a PCB making printer (trace, solder paste & drill) that requires some modification to GUI.

                                  JohnOCFIIundefined 1 Reply Last reply Reply Quote 0
                                  • JohnOCFIIundefined
                                    JohnOCFII @carlos_lema
                                    last edited by

                                    @carlos_lema said in RepPanel - A DIY alternative to the PanelDue with WiFi support:

                                    Also, I might have missed it—where is the repo for the firmware? I am building a PCB making printer (trace, solder paste & drill) that requires some modification to GUI.

                                    The link was in the first note -- but not necessarily obvious as a link: https://github.com/seeul8er/RepPanel_ESP32

                                    carlos_lemaundefined 1 Reply Last reply Reply Quote 0
                                    • carlos_lemaundefined
                                      carlos_lema @JohnOCFII
                                      last edited by

                                      @JohnOCFII Much appreciated!

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                                      • Nellorundefined
                                        Nellor
                                        last edited by Nellor

                                        Has anyone successfully running the Reppanel at a Duet3?
                                        I experienced the following problem. The display doesn't start (applying 24V to the Duet) when connected to the 5V supplied by the Duet - in my case just the connector IO_0.
                                        When I reset the Lolin32 afterwards with it's reset button it works immediately like expected. When I plug/unplug the connector IO_0 it starts as well.
                                        I can reproduce this with a spare Duet3 just supplying 24V and Reppanel connected.

                                        It must have something to to with the rising 5V voltage of the Duet and the power on reset of the Lolin. The board just doesn't reset properly at boot-up.
                                        I fixed it by applying 10uF to extend the time constant of the R-C combination for boot-up reset. Former 10k+1uF->0.01s, now 10k+10uF->0.1s.
                                        Now it starts like it should...

                                        2021-02-26 17_00_35-LOLOIN32_Schaltplan.png (1183×883).pngIMG_20210226_165821~2.jpg

                                        Now my question - is there already a software reset at start-up or could an additional software reset be implemented?

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                                        • seeul8erundefined
                                          seeul8er
                                          last edited by

                                          @Nellor Nice investigation!
                                          I did not implement a software reset on startup. Maybe the ESP-Firmware does one. Should be no problem adding one additionally.
                                          If you want a quick fix try adding:

                                          esp_restart()
                                          

                                          somewhere here. That should not slow down the boot time too much.

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                                          • JohnOCFIIundefined
                                            JohnOCFII
                                            last edited by JohnOCFII

                                            I finally finished and published my RepPanel case. I used this as a good time to learn a bit about FreeCAD. The FreeCAD design file is included in the Thing.

                                            https://www.thingiverse.com/thing:4822626

                                            IMG_0370.jpeg-exported.jpeg

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