To achieve this he created Fade, a custom programming language/framework for controlling LED animations from the ESP32. Fade is written for addressable RGB LEDs like the Neopixel/WS2812.

To run the show, [g3gg0] selected the ESP32-PICO-D4. You certainly don ... It’s handling the WS2812 RGB LEDs that go off in response to detected particles, running the (apparently optional ...