This example is designed to run on a Seeeduino v4.2 development board.
It should also run on an Arduino Uno with minimal (or no) changes.
This example may also work with other Crystalfontz Intelligent packet based displays that use an I2C / SPI interface, but it has not been tested as yet.
Mark Williams (2020)
Distributed under the "The Unlicense".
http://unlicense.org
This is free and unencumbered software released into the public domain.
For more details, see the website above.