When we are talking about the MAX7219-based dot matrix display module, it consists of 64 LEDs connected in a row-column format so that we could easily control them with the multiplexing technique.

Most musical concerts nowadays are accompanied by some fancy light shows. Almost all concerts, festivals, and nightclubs have a visual show or effects to match. So, why not build your own music ...

You can use Max7219.cs in your project to drive a Max7219 based Dot Matrix Module. Write to a 8x8 Dot Matrix Module demonstrates a concrete example using this class. The following fritzing diagram ...

In this project, using the 8.8 dot matrix module with the MAX7219 driver and also the ESP8266 board, we control the dot matrix module by creating a web server, by typing the desired text on the web ...