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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Adiccion dividenda nič avrdude ser_open can t open device com3 Advance striedmy zvar
ser_open(): can't open device.COM1 | Arduino error solved
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Avrdude: ser_open(): Can't Open Device ".com3": Access Is Denied
![Solved: Arduino - avrdude: ser_open(): can't open device "\\.\COM3": The system cannot find the file specified. | Experts Exchange](https://filedb.experts-exchange.com/incoming/2020/02_w07/1443216/new-1.png "Solved: Arduino - avrdude: ser_open(): can't open device "\\.\COM3": The system cannot find the file specified. | Experts Exchange")
Solved: Arduino - avrdude: ser_open(): can't open device "\\.\COM3": The system cannot find the file specified. | Experts Exchange
아두이노 컴파일 및 업로드 : 네이버 블로그
Fix: Most Common Error Uploading to Arduino or Any Other Board
![Solved: Arduino - avrdude: ser_open(): can't open device "\\.\COM3": The system cannot find the file specified. | Experts Exchange](https://filedb.experts-exchange.com/incoming/2020/02_w07/1443217/new-1.png "Solved: Arduino - avrdude: ser_open(): can't open device "\\.\COM3": The system cannot find the file specified. | Experts Exchange")
Solved: Arduino - avrdude: ser_open(): can't open device "\\.\COM3": The system cannot find the file specified. | Experts Exchange
p1：aduino上传报错：avrdude: ser_open(): can't open device "\\.\COM3 ":系统找不到指定的文件__低头写作业的博客-CSDN博客
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Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
