ESP8266 WiFi Mesh Synchronized WS2812b LED Bars
Arduino code for the WiFi Mesh Synchronized LED Bars project
Each bar is 30 WS2812b "Neopixel" LEDs. The processor is an ESP8266 on a D1 Mini board.
The build info for the project is at https://www.instructables.com/id/WiFi-Mesh-Synchronized-LED-Bars/