Arduino Nano Drives 8X8 LED Matrix using Micrel MM5450
June 29th, 2009 link to (permalink)
When working with a microcontroller there are never enough pins to do the job. Sure you can move up to a hundred pin microcontroller and call it a day but you will have to pay a huge price for that chip, instead it is generally better to pass off the IO complexity to another chip.
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