//detect switch closure
//and count how many time the switch got hit, this implements a more complex debouncing scheme 
//10/15/2008  BitMonkey Labs
//

int inputPin=7; 
//int outputPin=13;
int lastSwitchState=LOW;
int counter=0;

unsigned long lastReadTime;

void setup()
{
  pinMode(inputPin, INPUT);
  //pinMode(outputPin, OUTPUT);
  Serial.begin(57600);
  
  lastReadTime=millis();
}

void loop()
{
  if((millis()-lastReadTime)>=200)
  //take a reading every 200 milliseconds
  {
  
    if((digitalRead(inputPin)==HIGH)&&(lastSwitchState==LOW))
    //prevent switch from retriggering by just holding it down 
    {
      counter++;        //increment the counter variable every time switch is hit
      Serial.println(counter); 
    }

    lastSwitchState=digitalRead(inputPin); 
    
    lastReadTime=millis();
  }
}