Creating a Tap Tempo (help needed)

Forum 2005-2010 (read only) General Frequently-Asked Questions
6 
long int debounce_time = 5; // some small number

if( buttonPressed && numberOfButtonPresses == 1 && ( millis() - startTime > debounce_time) ) { 
...

of course you can also 'hardware debounce' your switch with an RC lowpass filter.