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AVRDUDESS – A GUI for AVRDUDE « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![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 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 tutorial suggests but that doesn't work either. Have i ruined the ... 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 tutorial suggests but that doesn't work either. Have i ruined the ...](https://i.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 tutorial suggests but that doesn't work either. Have i ruined the ...
![AVRDude Tutorial : Burning hex files on Atmel AVR using USBasp and AVRdude – Embedded Electronics Blog AVRDude Tutorial : Burning hex files on Atmel AVR using USBasp and AVRdude – Embedded Electronics Blog](http://elecrom.files.wordpress.com/2009/04/fig3pgmdone.png?w=1200)
AVRDude Tutorial : Burning hex files on Atmel AVR using USBasp and AVRdude – Embedded Electronics Blog
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