It uses just one MAX7219 serial input/output common-cathode display drivers and 3 ports.
MAX7219 can refresh leds leving more resources to microcontroller.
This library uses MAX7219 without the need of SPI. User can setup scan limit and intensity setup.
Multiple led matrix can be attached.
With simple functions, it gives your the ability to:
- power on / off a single led
- setup a selected row
- setup an 8x8 matrix
- read risk disclaimer
- excuse my bad english