ESP32 Forum

Posted: **Tue Sep 20, 2022 1:51 pm**

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A fatal error occurred: Could not open /dev/ttyS0, the port doesn't exist

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I'm trying to program the ESP32 using Arduino IDE, and after installing and configuring everything according to the available documentation, I come across such a situation and I still haven't found anything similar on the internet. I'm using Ubuntu 20.01. The mentioned port appears without or with the ESP32 connected, that is, it is not the ESP32 itself.

Posted: **Tue Sep 20, 2022 4:47 pm**

Does anything relevant show up when you run lsusb with/without the board connected? Could you also check dmesg output when connecting the board?

Posted: **Fri Sep 30, 2022 2:06 pm**

<t>The cable had problems. Connected to smartphones it worked normally, but on esp32 it showed not to pass enough current and connect the data to the PC.</t>

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