You can adjust the timings for each button but standard timing are >= 250ms to recognise a click and >= 1000ms to recognise a button hold. With this library, you get these possibilities for each (momentary!) button:Īlso you get debounce functionality in the Clickbutton library which is important. It all depends on the use of the right library for the Arduino sketch! After hours of searching I finally found a great library which I included on this page: Clickbutton. As I mentioned, 23 buttons/6 functions per button = many options. So when you program the Arduino, add some switches to it and connect it to a PC or Mac, you can sent (multiple) keystrokes/mouse movements to the computer bij pressing a button. When you connect the Leonardo to a pc, it 'sees' a keyboard. The beauty of the Arduino with a 32u4 chip (not all model have this chip) is the ability to emulate a keyboard and/or mouse.
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