const int ledCount = 8; // the number of LEDs in the bar graph int ledPins[] = {2, 3, 4, 5, 6, 7, 8, 9}; // an array of pin numbers to which LEDs are attached ...
How It Works: A bar graph is a series of LEDs in a line. It’s made up of a row of LEDs with an analog input,which is a potentiometer. The Sketch The sketch first reads the input from the potentiometer ...
[Damcave] decided to try out some bar code reader projects. He got his hands on a CueCat years ago. The problem is that it outputs encrypted character sets instead of a clear text string. To get ...
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