I just finished porting Eberhard Fahle’s LedControl library for controlling the MAX7219/MAX7221 with an 8x8 LED Matrix or 7-Segment displays. The port was very minor. The wiring was the ‘fun’ part. Spend the extra bucks and buy one of the backpacks! It is registered as a library in the IDE and c…

MAX7219/22 Library for 8x8 LED Matrix or Digit Displays

bko November 20, 2014, 3:47am 3

NIce work!

There are also ports of the Adafruit libraries for this part. I have been using one of those for some time on my 7-segment LED clock “Time and Temp” project.

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MAX7219/22 Library for 8x8 LED Matrix or Digit Displays

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