How does an RGB LED Matrix work?

This video explains how a 64x64 RGB LED Matrix work. In the end I show a small project based on ESP8266.

0:00 Project introduction 0:35 RGB Matrix codes 1:26 Connectors 1:47 Workings of a LED Matrix 4:23 ICs on the matrix PCB 6:09 HUB75 connector 7:22 Arduino IDE ESP8266 project

Falstad circuit schematics of LED Matrix: https://tinyurl.com/yhmkmx7s

Github repository with LED Matrix Date Time project: https://github.com/marekl123/led-matrix-datetime

ESP8266 Github page: https://github.com/esp8266/Arduino

PxMatrix github page: https://github.com/2dom/PxMatrix

Link to schematics of a RGB LED Matrix: https://github.com/esden/led-panel-docs/blob/master/P2-1515-64x64-32S-V1.0/led-panel-P2-1515-64x64-32S-V1.0-sch.pdf

Datasheet ICN2028AP (A driver IC specially designed for LED display screens): http://www.88869188.com/uploads/201801/5a5427980fd8d.pdf

Datasheet SM5166P (A highly integrated LED drive control chip): http://www.diyleyuan.com/jc/201C/SM5166P-CN.pdf

Datasheet 74HC245 (Octal bus tranceiver; 3-state): https://www.farnell.com/datasheets/7596.pdf

Datasheet 74HC138 (3-to-8 line decoder/demultiplexer; inverting): https://pdf1.alldatasheet.com/datasheet-pdf/view/15538/PHILIPS/74HC138D.html

Music track: Single Lane Tunnel from Nihilore https://www.nihilore.com/ ... https://www.youtube.com/watch?v=FK7j8IgtUX0