const int input = 12; // This is where the input is fed.
int pulse = 0; // Variable for saving pulses count.
int var = 0;
void setup(){
pinMode(input, INPUT);
Serial.begin(9600);
}
void loop(){
if(digitalRead(input) > var)
{
var = 1;
pulse++;
Serial.println(pulse);
//Serial.print(F(" pulse"));
// Put an "s" if the amount of pulses is greater than 1.
if(pulse > 1) {Serial.print(F("s"));}
// Serial.println(F(" detected."));
}
if(digitalRead(input) == 0) {var = 0;}
}