![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 | Arduino-er](https://1.bp.blogspot.com/-3lEz8FlaFqo/YMDQtzQmeCI/AAAAAAAABQg/tDqEYuAVH7M2ed1VqQqya8hCHl-q30ongCLcBGAsYHQ/s320/Arduino%2BNano%2BRP2040%2BConnect_01.jpg)
Arduino IDE error - avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied | Arduino-er
![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
![usb - Permission for snap arduino applications and Error opening serial port '/dev/ttyACM0' for other arduino application - Ask Ubuntu usb - Permission for snap arduino applications and Error opening serial port '/dev/ttyACM0' for other arduino application - Ask Ubuntu](https://i.stack.imgur.com/7quwF.png)
usb - Permission for snap arduino applications and Error opening serial port '/dev/ttyACM0' for other arduino application - Ask Ubuntu
![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' -
![Ubuntu Arduino Snap ( can't open device "/dev/ttyACM0": Permission denied) - Installation & Troubleshooting - Arduino Forum Ubuntu Arduino Snap ( can't open device "/dev/ttyACM0": Permission denied) - Installation & Troubleshooting - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/2/5/2/252b2a131a7852d5458f7402fc8e1d75fb4a9db4.png)
Ubuntu Arduino Snap ( can't open device "/dev/ttyACM0": Permission denied) - Installation & Troubleshooting - Arduino Forum
![avrdude: ser_open(): can't open device "/dev/ttyUSB0": Permission denied - Installation & Troubleshooting - Arduino Forum avrdude: ser_open(): can't open device "/dev/ttyUSB0": Permission denied - Installation & Troubleshooting - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/1/9/4/1946268d87a8de7063b9ca307eba5fd2c1991b22.png)
avrdude: ser_open(): can't open device "/dev/ttyUSB0": Permission denied - Installation & Troubleshooting - Arduino Forum
![arduino mega IDE on VirtualBox vm – avrdude: ser_open(): can't open device “/dev/ttyACM0”: Permission denied | dwaves.de arduino mega IDE on VirtualBox vm – avrdude: ser_open(): can't open device “/dev/ttyACM0”: Permission denied | dwaves.de](https://dwaves.de/wp-content/uploads/2019/11/Arduino-IDE-cant-open-device-dev-ttyACM0-Permission-denied.png)
arduino mega IDE on VirtualBox vm – avrdude: ser_open(): can't open device “/dev/ttyACM0”: Permission denied | dwaves.de
![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)