How to use MAX7219 LED Matrix with Arduino

Good Libraries to use with the MAX7219 LED are:
https://github.com/MajicDesigns/MD_MAX72XX LED
https://github.com/MajicDesigns/MD_Parola Scrolling

You’ll find lot’s of examples after you install the libraries in the Arduino IDE.

Arduino mirror image, orientation problem with display MAX7219

How to solve problem with the LED matrix MAX7219 and the MD_MAX72xx.h Library

If you have problems with mirroring and/or orientation find following line and try following solutions, Choose one:

#define HARDWARE_TYPE MD_MAX72XX::FC16_HW




#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW




#define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW




#define HARDWARE_TYPE MD_MAX72XX::ICSTATION_HW