Note

Hello, welcome to the SunFounder Raspberry Pi & Arduino & ESP32 Enthusiasts Community on Facebook! Dive deeper into Raspberry Pi, Arduino, and ESP32 with fellow enthusiasts.

Why Join?

  • Expert Support: Solve post-sale issues and technical challenges with help from our community and team.

  • Learn & Share: Exchange tips and tutorials to enhance your skills.

  • Exclusive Previews: Get early access to new product announcements and sneak peeks.

  • Special Discounts: Enjoy exclusive discounts on our newest products.

  • Festive Promotions and Giveaways: Take part in giveaways and holiday promotions.

👉 Ready to explore and create with us? Click [here] and join today!

Always displaying “Unknown COMxx”?

When plugging the ESP32 into the computer, the Arduino IDE often displays Unknown COMxx. Why does this happen?

../_images/unknown_device.png

This is because the USB driver for ESP32 is different from the regular Arduino Boards. The Arduino IDE can’t automatically recognize this board.

In such a scenario, you need to manually select the correct board by following these steps:

  1. Click on “Select the other board and port”.

    ../_images/unknown_select.png
  2. In the search, type “esp32 dev module”, then select the board that appears. Afterward, select the correct port and click OK.

    ../_images/unknown_board.png
  3. Now, you should be able to see your board and port in this quick view window.

    ../_images/unknown_correct.png