GitHub - nailfarmer/gnome-shell-dim-on-battery-extension: An extension for gnome shell that will change the screen brightness when the machine is running on battery power
GitHub - F-i-f/soft-brightness: Gnome-shell extension to manage your display brightness via an alpha overlay (instead of the backlight).
![DEWENWILS LED Dimmer Switch, with LED Light Bulb Set, Full Range Slide Control, 6.6 ft Extension Cord, UL Listed - - Amazon.com DEWENWILS LED Dimmer Switch, with LED Light Bulb Set, Full Range Slide Control, 6.6 ft Extension Cord, UL Listed - - Amazon.com](https://m.media-amazon.com/images/I/61XrnyBrxFL.jpg)