![18.04 - Uploading code to arduino gives me the error: "avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied" - Ask Ubuntu 18.04 - Uploading code to arduino gives me the error: "avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied" - Ask Ubuntu](https://i.stack.imgur.com/ifRmx.png)
18.04 - Uploading code to arduino gives me the error: "avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied" - Ask Ubuntu
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Arduino error (Ubuntu) - avrdude: ser_open(): can't open device "COM1": No such file or directory - YouTube
![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.
![can't open device "\\.\COM5": The system cannot find the file specified problem - Interfacing w/ Software on the Computer - Arduino Forum can't open device "\\.\COM5": The system cannot find the file specified problem - Interfacing w/ Software on the Computer - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/f/6/6/f66917abaa24bcdaa1ca6c28640948da7924af0d_2_1024x576.png)
can't open device "\\.\COM5": The system cannot find the file specified problem - Interfacing w/ Software on the Computer - Arduino Forum
![ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community](https://community.platformio.org/uploads/default/original/2X/b/bd7659971b80c6b291c18cd8e7356c73ea50bb62.png)
ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community
![ESP32 doesn't connect to Arduino. | could not open port 'COM2': WindowsError(5, 'Access is denied.') - Arduino Stack Exchange ESP32 doesn't connect to Arduino. | could not open port 'COM2': WindowsError(5, 'Access is denied.') - Arduino Stack Exchange](https://i.stack.imgur.com/Z2DG7.png)
ESP32 doesn't connect to Arduino. | could not open port 'COM2': WindowsError(5, 'Access is denied.') - Arduino Stack Exchange
![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
![ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community](https://community.platformio.org/uploads/default/original/2X/5/5274b3594ce67a69c4e18e17542bb48628341be8.png)
ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community
![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)
Arduino-er: Arduino IDE error - avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied
![Issue with USB com port on Acer Windows 10 - Port Busy or Access Denied - Installation & Troubleshooting - Arduino Forum Issue with USB com port on Acer Windows 10 - Port Busy or Access Denied - Installation & Troubleshooting - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/3/1/f/31f888c9e16cc848d2ff658e8c8938a8b417699b.png)
Issue with USB com port on Acer Windows 10 - Port Busy or Access Denied - Installation & Troubleshooting - Arduino Forum
![ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community](https://community.platformio.org/uploads/default/original/2X/9/94b6faa4babec2ae64548af5d3485142f4ea69ad.png)
ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community
![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)