PORTB maps to Arduino digital pins 8 to 13 The two high bits (6 & 7) map to the crystal pins and are not usable DDRB - The Port B Data Direction Register - read/write PORTB - The Port B Data Register ...

🔘 Day 47 – Switch Debouncing Logic in Arduino When we press a push button, it may look like a single click, but in reality the switch contacts bounce (open and close rapidly for a few milliseconds).

There is an example of a programme that differentiates between long and short push-button pushes on the Arduino.cc website, but I was not taken it. However their was an example I did like the look of, ...

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