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Esp8266 failed to connect to the serial port, indicating that the serial port is occupied or does not exist

2022-02-02 22:32:00 CSDN Q & A

esp8266 Failed to connect serial port , Displays whether the serial port is occupied or does not exist
esp8266 Failed to connect serial port , Displays whether the serial port is occupied or does not exist
esp8266 Failed to connect serial port , Displays whether the serial port is occupied or does not exist




Refer to the answer 1:

They all said the reason , Check the serial port by yourself




Refer to the answer 2:



Refer to the answer 3:

Maybe the serial driver is not installed properly




Refer to the answer 4:

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