Install budgie-rotation-lock-applet by entering the following commands in the terminal:
sudo apt update sudo apt install budgie-rotation-lock-applet
Applet to lock or unlock the screen rotation
This is part of a suite of python3 based applets for the Budgie Desktop that provide additional user orientated capabilities. The applets can be used individually or as a set. . The Rotation Lock applet provides the user an easy way to lock or unlock the screen rotation.