// digital pin 2 has a pushbutton attached to it. Give it a name:
int pushButton = 2;

// the setup routine runs once when you press reset:
void setup() {

  // initialize serial communication at 9600 bits per second:
  Serial.begin(9600);

  // make the pushbutton's pin an input:
  pinMode(pushButton, INPUT);

}


void loop() {

  // read the input pin:
  int buttonState = digitalRead(pushButton);

  // print out the state of the button:
  Serial.println(buttonState);

  // delay in between reads for stability
  delay(1);

}