Brightnessctl

General Info:

This is a small Wayland specific terminal app, that let's you set the brightness of your IPS display with a simple command.

Brightnessctl GitHub page

How to install?

You can install it with yay brightnessctl

How to use it?

First of all, open your terminal and execute a command like this:

brightnessctl set 20%

So the command above sets the brightness to 20%.

brightnessctl set 75%

And the command above sets the brightness to 75%.

Simple as that. For more info and commands, check man brightnessctl