# Silicon Labs CP210x USB-UART bridge - allow non-root access # Add user to 'uucp' group: sudo usermod -aG uucp $USER # # For CP2102/CP2103/CP2104/CP2105/CP2108/CP2109 devices SUBSYSTEM=="usb", ATTRS{idVendor}=="10c4", MODE="0660", GROUP="uucp"