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

void setup( ) {
int startClick = LOW; 	//Initial state: no click yet
  pinMode( pbPin, INPUT );
  Serial.begin(9600);
  while ( ! startClick ) {
   startClick = digitalRead( pbPin );

Serial.println("Waiting for button press");

 }
}

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

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