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avrdude: ser_open(): can't open device "\\.\COM3": Не удается найти указанный файл. | Амперка / Форум
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Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
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Arduino error (Ubuntu) - avrdude: ser_open(): can't open device "COM1": No such file or directory - YouTube
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avrdude: ser_open(): can't open device "\\.\COM7": Access denied. - Installation & Troubleshooting - Arduino Forum
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avrdude: ser_open(): can't open device "\\.\COM3": Не удается найти указанный файл. | Амперка / Форум
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Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it.
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Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
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avrdude: ser_open(): can't open device "\\.\COM9": Access is denied. - Avrdude, stk500, Bootloader issues - Arduino Forum
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avrdude: ser_open(): can't open device "\\.\COM9": Access is denied. - Avrdude, stk500, Bootloader issues - Arduino Forum
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