Explanation and demonstration video on how the WS2811 chip can be wired and programmed to light a miniature building or even a whole day/night sky dome. This is the possible start of a series on making DIY electronics for railways/dioramas, so keep an eye out for more content.
httpvh://www.youtube.com/watch?v=AYqMWdDcELc
Free Resources
The Arduino and Python code as well as the schematics may be downloaded freely from GitHub: