Just Counting

This month I was pondering about counting with an Arduino. Basically I was ticked by the ever reoccurring question how fast an Arduino can toggle its pins. As it turns out this seemingly innocent questions leads to a lot of interesting insights. One of the first insights I got was that counting in binary may not necessarily be the best way to count. Even for a computer.

I found out so much interesting stuff that I decided to split this into a series of several articles. Do you think you know all about counting? You might be surprised ;)

And by the way a counter allows to create some cool pictures too.

Gray Code Counter

While it is running it looks very much like a “real Blinkenlight” :)

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