Project Aureole

Build instructions

Build photos

Testing

Shopping list

Metal disk 500mm diameter
Frosted perspex, circular cut, 3mm x 500mm
LEDs, WS2812B 144LEDs/m, 3.5-4 meters for 500+ pixels
ESP8266 / Arduino + Wifi
PSU 5V-16A

All parts can easily be sourced on eBay or Aliexpress.
Total cost around €150