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    VOXL 2 Ethernet and USB Hub Add-on with Doodle lab radio

    VOXL Accessories
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    • A
      AidanGallagher
      last edited by

      Hi,

      Can I connect a doodle lab radio to the J12 connector on the Ethernet and USB Hub board?

      I have connected it and ran voxl-configure-modem

      When I check ifconfig eth0 the IP details looks correct but I cannot ping any other IP address on the Doodle network.

      Regards
      Aidan

      tomT 1 Reply Last reply Reply Quote 0
      • tomT
        tom admin @AidanGallagher
        last edited by

        @AidanGallagher Are you able to ping the doodle modem itself? Also double check you aren't trying to use an IP that is already being used on the doodle network

        A 1 Reply Last reply Reply Quote 0
        • A
          AidanGallagher @tom
          last edited by

          @tom Cannot ping the modem and I am certain its a free IP address.

          I tried a USB Expansion Board with Fastboot v2 I had on another setup and it works so the issues does seem to be on related to this board.
          Is there a jumper I need to set to enable the J12 header?

          Regards
          Aidan

          tomT 1 Reply Last reply Reply Quote 0
          • tomT
            tom admin @AidanGallagher
            last edited by

            @AidanGallagher Can you post a picture of the setup you're using?

            A 1 Reply Last reply Reply Quote 0
            • A
              AidanGallagher @tom
              last edited by

              @tom ill do that tomorrow when I'm back in the office

              A 1 Reply Last reply Reply Quote 0
              • A
                AidanGallagher @AidanGallagher
                last edited by

                image1.jpeg

                A 1 Reply Last reply Reply Quote 0
                • A
                  AidanGallagher @AidanGallagher
                  last edited by

                  That's my working solution

                  A 1 Reply Last reply Reply Quote 0
                  • A
                    AidanGallagher @AidanGallagher
                    last edited by

                    image0.jpeg

                    A 1 Reply Last reply Reply Quote 0
                    • A
                      AidanGallagher @AidanGallagher
                      last edited by

                      This solution doesn't work

                      tomT 1 Reply Last reply Reply Quote 0
                      • tomT
                        tom admin @AidanGallagher
                        last edited by

                        @AidanGallagher With an M0130 USB breakout board

                        M0130: https://www.modalai.com/products/m0130-3?variant=48186331693360

                        You can use this cable:
                        MCBL-00085: https://www.modalai.com/products/mcbl-00085?_pos=2&_sid=0c5d87c5e&_ss=r

                        and get rid of the need for the doodle breakout board

                        A 1 Reply Last reply Reply Quote 0
                        • A
                          AidanGallagher @tom
                          last edited by

                          @tom that's cool we will take a look at that in the future.
                          Any idea why I cannot use the J12 port on the ethernet expansion board?

                          tomT VinnyV 2 Replies Last reply Reply Quote 0
                          • tomT
                            tom admin @AidanGallagher
                            last edited by

                            @AidanGallagher I don't, if you tried connecting internet over ethernet or some other ethernet device does it work?

                            A 1 Reply Last reply Reply Quote 0
                            • A
                              AidanGallagher @tom
                              last edited by

                              @tom I haven't tried the ethernet port yet. I have used the physical USB port with a WiFi dongle and that worked well.

                              1 Reply Last reply Reply Quote 0
                              • VinnyV
                                Vinny ModalAI Team @AidanGallagher
                                last edited by

                                Hi @AidanGallagher
                                That USB2 port Port, J12, on M0062 is not much different than many other expansion board USB ports. It goes through a HUB, and as Tom pointed out, if you use M0130, your setup will simplify.
                                M00130 is the only USB2 product we have that can power the Doodle directly: https://docs.modalai.com/expansion-design-guide/#usb-expansion-over-j3--j5
                                a205f92a-157c-434b-a197-e935fa7ed148-image.png
                                I'm not entirely sure either why your M0062 will not work, but I'm thinking it may be something with the grounding and VBUS connection due to the external board you use for power, and it not sharing a ground with the M0062 where the USB comes from. For example, our MCBL-00085-1 handles all that: https://docs.modalai.com/cable-datasheets/#mcbl-00085
                                Our USB3 debug board does not have a current limiting IC like M0062 has, and will not impact USB operations. However, with M0062, since it goes through the hub, and it has power control, if anything goes wrong with power or ground, the port may be disabled.
                                I would first try to see if your J12 port works normally, with a thumb drive for example (or I think you did that with a WiFi and were good). Then, if you want to try to share some more ground connections between your M0062 and the external power supply, that could be a good test.

                                But, we do suggest you change to an M0130 as you will have a much nicer setup long term.
                                Hope that helps.

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