Recommended · for beginners
DIY Arduino Ambilight RGB WS2812b Full Build & How-To
Why people recommend it
A tutorial people follow to build a PC ambient lighting setup using an Arduino Nano and WS2812B LEDs, with a parts list in the description.
Watch for: Choose a safe, properly rated power supply
In their words
I have been trying to follow this guide to make a PC ambilight setup.
Phizzy on electronics.stackexchange.com, Apr 2020. CC BY-SA.