An 8-Bit Waterfall using Arduino

So far my Arduino projects have all needed only a small number of output pins. In a previous post I talked about moving some of the logic off the Arduino and into other integrated circuits in order to free up pins on the Arduino. While this can help, I'm sure there will come a time when I'll need more output pins then the Arduino Uno has to offer. One solution would be to upgrade to an Arduino Mega as it ha ...

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