When a mechanical switch is pushed in an electrical circuit, it creates a series of short contacts, like a small ripple of current. This is called 'switch bounce'. What we have to do in the microcontroller is either ignore those or filter them out or sample them repeatedly. And only after it's been on for long enough time, do we send the signal to the computer. That's called the debounce delay - it's the time that you're filtering out all those signals that you don't want to send to the computer
4:08
When a mechanical switch is pushed in an electrical circuit, it creates a series of short contacts, like a small ripple of current. This is called 'switch bounce'. What we have to do in the microcontroller is either ignore those or filter them out or sample them repeatedly. And only after it's been on for long enough time, do we send the signal to the computer. That's called the debounce delay - it's the time that you're filtering out all those signals that you don't want to send to the computer
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