IOT，笔记：avrdude: ser_open(): can't open device "\\.\COM3": 系统找不到指定的文件。 - 无踪无影- 博客园
Solution: avrdude: ser_open (): can't open device on Arduino - Ikkaro
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arduino mega IDE on VirtualBox vm – avrdude: ser_open(): can't open device “/dev/ttyACM0”: Permission denied | dwaves.de
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: avrdude: ser_open(): can't open device “\\.\COM3”: Access is denied. – jormc.es
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Arduino IDE error: ser_open(): can't open device "/dev/ttyACM0": Permission denied - YouTube
avrdude: ser_open(): can't open device | Arduino FAQs
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Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
Arduino UNO not working; Arduino: avrdude: ser_open(): can't open device "\\.\COM4": The system cannot find the file specified. . I haI have also changed the COM Port in windows like the YT
avr - ATMEL STUDIO: avrdude.exe: ser_open(): can't open device - Electrical Engineering Stack Exchange
Solution: avrdude: ser_open (): can't open device on Arduino - Ikkaro
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avrdude: ser_open(): can't open device "unknown": No such file or directory - Installation & Troubleshooting - Arduino Forum
Arduino: How To Fix ser_open(): can't open device - YouTube
Bug) avrdude: ser_open(): can't open device "\\.\COM1": The system cannot find the file specified. · Issue #5371 · arduino/Arduino · GitHub
Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it.
avrdude: ser_open(): can't open device "\\.\COM7": Access denied. - Installation & Troubleshooting - Arduino Forum
Arduino UNO not working; Arduino: avrdude: ser_open(): can't open device "\\.\COM4": The system cannot find the file specified. . I haI have also changed the COM Port in windows like the YT
