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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    USB audio not recognized

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    usb audio
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    • K
      KBert
      last edited by KBert

      Just an update: it is working on the Pi 2. There is a horrible buzzing which is probably caused by a grounding issue somewhere, but it works. I have a game in Retropie playing sound now.

      Now I just need to figure out why the Pi Zero does not see it.

      KB

      EDIT: Buzzing sound was from headphone jack ground coming out of breadboard. Sounds great now. Works just fine on Pi 2 but still not recognized on Pi Zero W. I have tried in various ports on the USB hub.

      Any more ideas?

      B 1 Reply Last reply Reply Quote 0
      • B
        backstander @KBert
        last edited by

        @KBert

        Any more ideas?

        Test with another/different powered USB hub? Maybe borrow one from a friend?

        Also maybe get a Bluetooth keyboard to pair with the Pi Zero W and try the USB audio connected without a USB hub.

        ClydeC 1 Reply Last reply Reply Quote 0
        • ClydeC
          Clyde @backstander
          last edited by

          @backstander said in USB audio not recognized:

          Also maybe get a Bluetooth keyboard to pair with the Pi Zero W and try the USB audio connected without a USB hub.

          Or enable SSH in Retropie, install Putty in Windows, and control the Pi via network, making the keyboard obsolete.

          K 1 Reply Last reply Reply Quote 1
          • K
            KBert @Clyde
            last edited by

            @Clyde

            I am SSHed into the Pi Zero, but not over wifi. Instead I have a USB to Ethernet adapter. I haven't successfully managed to get wifi working in the lab (not my private network). I need to enter a username and password instead of just a password to make it work. I have tried a few times, but no luck. I also can not connect to the Pi using the second ethernet port on the wall. The IT guys seem to block any Raspberry Pi. I have a router that connects to my Pi that I also have my desktop connected as well.

            I am trying to hunt down another USB hub. Failing that I will grab a wireless router and try and set the Pi up on that so I can connect from my desktop and then plug the USB audio in directly.

            I will let you know what happens.

            Thanks!
            KB

            ClydeC 1 Reply Last reply Reply Quote 0
            • ClydeC
              Clyde @KBert
              last edited by

              @KBert If you are using the Pi via SSH, could you please post any shell output in a code block instead of a picture? Like this:

              It really helps with readability, and the forum search can find the text within it if someone else looks for it. :) (Syntax highlighting looks funny in normal sentences.)

              I'm eager to hear any progress from you.

              1 Reply Last reply Reply Quote 0
              • K
                KBert
                last edited by

                My apologies for not putting things in proper form while posting. I will try to behave better in the future.

                Also I have run into another issue. I could not find another USB hub and my Pi is insisting that there is "No wireless interface found". I have a wireless router ready to go so as soon as I get this Pi online I will be able to update on my audio issue. I probably won't have an update until tomorrow or later in the week depending on how time goes. Sorry to make you wait.

                Thanks!
                KB

                1 Reply Last reply Reply Quote 0
                • ClydeC
                  Clyde
                  last edited by

                  Take your time, I don't think anyone here will go crazy due to some days of waiting. Patience is a virtue. ;)

                  Good luck!

                  K 1 Reply Last reply Reply Quote 0
                  • K
                    KBert @Clyde
                    last edited by

                    @Clyde

                    Indeed. In fact it's time to go home and spend some time with my wife and son.

                    Thanks!
                    KB

                    1 Reply Last reply Reply Quote 0
                    • mituM
                      mitu Global Moderator
                      last edited by

                      Make sure the Wifi adapter isn't blocked - run sudo rfkill unblock all before trying again to connect to Wifi.

                      K 1 Reply Last reply Reply Quote 0
                      • K
                        KBert @mitu
                        last edited by

                        @mitu
                        Thank you for the suggestion. Unfortunately this was one of the things I tried yesterday that didn't seem to make a difference.

                        Thanks!
                        KB

                        1 Reply Last reply Reply Quote 0
                        • K
                          KBert
                          last edited by

                          I found another USB hub. This was was unpowered and would no support more than one device at a time on the Pi Zero. I then tried connecting only the keyboard to the Pi. I put in the :

                          tail -f /var/log/syslog

                          and unplugged the keyboard. It showed that the device was disconnected. I then plugged in my USB audio circuit and again nothing happened.

                          I still have not managed to get the wifi working.

                          Thanks!
                          KB

                          1 Reply Last reply Reply Quote 0
                          • K
                            KBert
                            last edited by

                            Well I am starting to think that this USB audio chip I have is simply not compatible with the Raspberry Pi Zero W. My reasoning:

                            1 - USB Circuit works fine with Windows Desktop and with Raspberry Pi 2.
                            2 - USB Circuit not detected through USB Hub on my original Pi Zero W.
                            3 - Loaded Retropie 4.5.1 on spare SD card and plugged it into spare Pi Zero W. Without modifying config and overlays to run DPI I was able to get wifi working without any trouble.
                            4 - Using SSH logged into the Pi and then plugged the USB audio circuit directly into USB on Pi Zero W.

                            USB audio still not detected.

                            I think I am going to have to look for a different chip.

                            I do find it curious that it works on a Pi 2 but not a Pi Zero.

                            Thanks everyone for the help. I will check back in when I have a different chip.

                            Thanks!
                            KB

                            1 Reply Last reply Reply Quote 2
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