// Button Continuous
  int  pbPin = 4;      // read the button

  void setup() {
    pinMode(pbPin, INPUT);
    Serial.begin(9600);
/* Begins USB Serial Interface. Button state is sent to host */
  }

  void loop() {
    int button;
    button = digitalRead(pbPin);

    if (button == HIGH)
	{ Serial.println("on"); }
  else 
	{ Serial.println("off"); }
  }