![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
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_w07/1443216/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
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avrdude: ser_open(): can't open device "\\.\com3": - Installation & Troubleshooting - Arduino Forum
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
avrdude: ser_open(): can't open device "\\.\com3": - Installation & Troubleshooting - Arduino Forum
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