22 дек. 2023 г. · If it appears under USB Ports, you don't have a driver installed. You need to find the exact UNO you bought and find their instructions for ...

18 июл. 2023 г. · Make sure that the COM-port is below 10 (so 1..9). You can check this in device manager under "Ports (COM & LPT)".

5 апр. 2024 г. · This can happen when a USB cable has only the power conductors hooked up. The data lines are not hooked up. I made a video on how to test for this.

7 окт. 2023 г. · Sometimes (often?), just retrying the upload will fix the problem, if not, then restart the Arduino and IDE and if that didn't work, restart the ...

14 июн. 2024 г. · I am using Arduino IDE 2.3.2 on Windows 11 to upload code to Arduino and ESP32, but sometimes I get the error "could not open COMX".

30 июл. 2023 г. · So I'm trying to upload some code to my arduino and I'm coming across an issue where my port for said arduino doesn't show up.

21 мар. 2023 г. · You might have software that blocks port scans (Norton, bit defender, etc), which will cause this type of behavior. Disable port-scan protection ...

15 сент. 2022 г. · Unplug your Uno, open Device Manager and expand the Ports and Other devices lines. Then plug in your Uno and see what appears there.

29 июн. 2024 г. · Go to Boards Manager and Install the ESP32 Boards package. Once is done, you can select the MCU that closely resembles yours (ESP32-S3 Dev Module)

17 янв. 2016 г. · Try to upload an empty sketch and while the IDE is trying to find the arduino (ascii progressbar) press quickly reset and it should hopefully ...