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snarck17/05/2018
Being a teacher, this is my 6th Arduino project with this matrix and it will probably not be the last one.
This is a simple way to display short messages about the current status of the Arduino board.
My student love this. They have equipped a robot with it so that the robot can speak.
You have to use the MD_MAX72xx.h library and don't forget to set the "#define USE_FC16_HW" to 1in the library.
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