Using Artnet DMX and the ESP32 to Drive Pixels
Contributors:
Englandsaurus
Englandsaurus 
Resources and Going Further
Now that you know how to create your own fixtures, try making some bigger displays of your own and mapping them out in Resolume. Your power supply is the limit!
Light-Emitting Diodes (LEDs)
Learn the basics about LEDs as well as some more advanced topics to help you calculate requirements for projects containing many LEDs.
Hackers in Residence: The Sound Visualizer Pt. 2
An addition to a previous project, this time using a PC and a custom Java app to create your own music visualizer using a RGB LED matrix.
FemtoBuck Constant Current LED Driver Hookup Guide v13
The FemtoBuck board is a high-efficiency, single-channel constant-current LED driver.