This library is compatible with any LED matrix or bar display using MAX7219, MAX7221, or HT16K33 drivers — as long as a valid [dev, row, col], aka [device index, anode,cathode], segment mapping is ...

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.

There are two objects which must be created to use the library. The MAX72XX object defines the interface to the MAX7219/MAX7221 driver chip; only one MAX72XX object is required for each chain of ...