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    CP2104-F03-GMR device descriptor request failed

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    • kowshik1729
      kowshik1729 last edited by

      Hi guys,

      I have made a custom PCB with CP2104 USB TO UART Bridge. You can find the schematics realted to the USB below. After getting the PCB fabricated, when I plug into my computer it is showing as Device not recognized - Device Descriptor request failed. I tried lot of methods but no luck. Uninstalled the drivers using the instructions suggested in this thread . But nothing worked and i am using a Windows 10 PC. Please help me out with a correct solution.

      285e8d04-a5c7-4190-baf4-23e33ad22c07-image.png

      The board is powering up properly. please someone suggest me a work-around...!! Thanks

      1 Reply Last reply Reply Quote 0
      • salmanfaris
        salmanfaris last edited by

        Hi @kowshik1729 , The connection between the CP2104 and ESP01 seems looks ok, can you share a more clear picture of the Automatic IO, EN toggling Circuit. Also double-check the trace continuity with a multimeter too.

        1 Reply Last reply Reply Quote 0
        • kowshik1729
          kowshik1729 last edited by

          @salmanfaris oh no....the UART Bridge is not for the ESP-01. There is an ESP32-Wroom SoC, and yeah I shall share more info.

          salmanfaris 1 Reply Last reply Reply Quote 0
          • salmanfaris
            salmanfaris @kowshik1729 last edited by

            @kowshik1729 Okey, I come with conclusion from the right bottom side esp01.

            1 Reply Last reply Reply Quote 0
            • salmanfaris
              salmanfaris last edited by

              @kowshik1729 Did you solve the issue?

              1 Reply Last reply Reply Quote 0
              • kowshik1729
                kowshik1729 last edited by

                Not yet @salmanfaris .

                1 Reply Last reply Reply Quote 0
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