This is another project from the Arduino handbook. Project 7 creates a LED moodlight from a 3 colour LED.
You can’t really see what this does from a static photo so I made a very short video. Which is below
Projects such as this could perhaps have applications in schools.
I would be interested in feedback from Teachers or other school staff as to how this sort of thing is used in sensory rooms for example and how this helps children / young people with sensory and or other needs.