Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it.
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Port access is denied - Arduino IDE 2.0 - Arduino Forum
Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it.
avrdude: ser_open(): can't open device" error, FTD1232 chip - Installation & Troubleshooting - Arduino Forum
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Hey my arduino uno keeps saying ser_open(): can't open device "\\.\COM5": access denied. Any idea why am I doing somthing wrong : r/arduino
Failed Upload Ide 2.0 - #25 by ptillisch - Arduino IDE 2.0 - Arduino Forum
Upload fails if port is open in Serial Monitor of another window · Issue #586 · arduino/arduino-ide · GitHub
avrdude: ser_open(): can't open device "\\.\COM5": access denied. - Installation & Troubleshooting - Arduino Forum
Working with esp32 cam module. The code compiles well but there's an error when uploading the code to the board. "serial.serialutil.SerialException: could not open port 'COM3': WindowsError(5, 'Access is denied.') Failed to
ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community
Serial port permissions for a snap (Arduino IDE) - snap - snapcraft.io
FDTI breakout (2 types) cause USB acess denial - 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.
Issue with USB com port on Acer Windows 10 - Port Busy or Access Denied - Installation & Troubleshooting - Arduino Forum
Arduino Nano - "avrdude: ser_open():system can't open device "\\.\COM1": the system cannot find the file specified" - Stack Overflow
