#define MIN_LOCKOUT 10000

int digitalInput;
int oldState;
int lockoutTimer;
int countPresses;
boolean lockedout=false;

void setup(){
  Serial.begin(9600);
}

void loop(){
  if(lockedout){
    lockoutTimer++;
    if(lockoutTimer==MIN_LOCKOUT){
      lockedout=false;
      lockoutTimer=0;
    }
  } else {
    oldState=digitalInput;
    digitalInput=digitalRead(2);
    if(digitalInput==LOW&&oldState==HIGH){
      countPresses++;
      Serial.println(countPresses);
    }
    lockedout=true;
  }
}