WS2812b Matrix with Dual-Controller Clock and WLED

Published at : 23 Dec 2025

This a 400-pixel WS2812b matrix using dual controllers for a clock, scoreboard, countdown timer and text display, PLUS all the features of WLED.

With 40+ MQTT reported states and 30+ MQTT commands, full integration and automation with Home Assistant, Node-RED or other platforms is possible.

Full build details, parts list and more can be found at:
https://resinchemtech.blogspot.com/2021/04/ws2812b-led-matrix-clock-scoreboard-and.html

Arduino code for the clock, 3D parts .stl files and instructions for configuration, settings and MQTT commands can be found at:
https://github.com/Resinchem/LED-Matrix-Clock_WS2812b

And if you'd like to build your own WLED controller, details are available at:
https://resinchemtech.blogspot.com/2021/01/building-your-own-led-light-strip.html

#wled
#ledmatrix
#esp8266