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avr - ATMEL STUDIO: avrdude.exe: ser_open(): can't open device - Electrical Engineering Stack Exchange
![Arduino error (Ubuntu) - avrdude: ser_open(): can't open device "COM1": No such file or directory - YouTube Arduino error (Ubuntu) - avrdude: ser_open(): can't open device "COM1": No such file or directory - YouTube](https://i.ytimg.com/vi/oQLzCdDhkgo/hqdefault.jpg)
Arduino error (Ubuntu) - avrdude: ser_open(): can't open device "COM1": No such file or directory - YouTube
![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 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](https://preview.redd.it/arduino-uno-not-working-arduino-avrdude-ser-open-cant-open-v0-lpr1a6rub2j91.png?width=490&format=png&auto=webp&s=2e2c2049364bae950197b9c4a210cb091fd786dd)
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
![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 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](https://preview.redd.it/arduino-uno-not-working-arduino-avrdude-ser-open-cant-open-v0-jbkolknzb2j91.png?width=493&format=png&auto=webp&s=2e57fe14711ae79b123b0df8c8654f3473935fa0)
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
![Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow](https://i.stack.imgur.com/BZxOl.png)
Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
![GNU/Linux: Error message 'error opening serial port', 'avrdude: ser_open(): can`t open device <port>', 'permission denied' - GNU/Linux: Error message 'error opening serial port', 'avrdude: ser_open(): can`t open device <port>', 'permission denied' -](https://duinocoin.de/img/tipps_tricks/Error_Serial_Port-full.png)
GNU/Linux: Error message 'error opening serial port', 'avrdude: ser_open(): can`t open device <port>', 'permission denied' -
![Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow](https://i.stack.imgur.com/PCjNG.png)
Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
![dobročinnosť tehotná vyjednávať avrdude ser_open can t open device com3 predpojatosť obsiahly námorná míľa dobročinnosť tehotná vyjednávať avrdude ser_open can t open device com3 predpojatosť obsiahly námorná míľa](https://sp-ao.shortpixel.ai/client/to_auto,q_lossy,ret_img,w_649,h_365/http://www.btechiot.com/wp-content/uploads/2018/10/arduino-error--649x365.png)
dobročinnosť tehotná vyjednávať avrdude ser_open can t open device com3 predpojatosť obsiahly námorná míľa
![avrdude: ser_open(): can't open device "\\.\COM1": The system cannot find the .. - Installation & Troubleshooting - Arduino Forum avrdude: ser_open(): can't open device "\\.\COM1": The system cannot find the .. - Installation & Troubleshooting - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/5/4/5/545795e5f5e23aa98a1f3fc77b5b7320fc70978b.png)
avrdude: ser_open(): can't open device "\\.\COM1": The system cannot find the .. - Installation & Troubleshooting - Arduino Forum
![Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it. Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it.](https://gyorgybalassy.files.wordpress.com/2020/10/arduino-serial-port-in-device-manager.png)
Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it.
![vydržať Arthur Conan Doyle tyran avrdude ser_open can't open device com3 usb 2.0 Choďte preč odpustiť špinavý vydržať Arthur Conan Doyle tyran avrdude ser_open can't open device com3 usb 2.0 Choďte preč odpustiť špinavý](https://i.stack.imgur.com/0iUf6.png)
vydržať Arthur Conan Doyle tyran avrdude ser_open can't open device com3 usb 2.0 Choďte preč odpustiť špinavý
![avrdude: ser_open(): can't open device "unknown": No such file or directory - Installation & Troubleshooting - Arduino Forum avrdude: ser_open(): can't open device "unknown": No such file or directory - Installation & Troubleshooting - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/7/5/f/75fb84cceb041233e9659b624d0a93a2ced922b0.png)
avrdude: ser_open(): can't open device "unknown": No such file or directory - Installation & Troubleshooting - Arduino Forum
![Arduino-er: Arduino IDE error - avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied Arduino-er: Arduino IDE error - avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied](http://img.youtube.com/vi/Sdou3Uib9Hw/0.jpg)