WiFi LED Light (ESP8266 + WS2812B + Lua)

Markus Gritsch shared his WiFi LED light project in the dangerousprototypes forum: I built a prototype for a WiFi controllable LED light, using the popular ESP8266 module running the NodeMCU firmware [1]. To allow controlling the WS2812B LEDs from Lua, I extended the firmware with a bit of C code...