byte button = 15;
boolean statusButton = 0;
byte led = 2;

byte counter;
boolean flag = false;

void setup() {
  Serial.begin(115200);
  pinMode(button, INPUT);
  pinMode(led, OUTPUT);
}

void loop() {
  statusButton = digitalRead(button);

  if( (statusButton == 1) && (flag == false) ){
    counter++;
    Serial.println("Counter: " + String(counter) );

    if(counter == 1){
      digitalWrite(led, HIGH);
    }
    else if(counter == 2){
      digitalWrite(led, LOW);
      counter = 0;
    }
    
    flag = true;
  }

  if(statusButton == 0){
    flag = false;
  }
  
}