// Using a momentary switch to change behavior 
// while holding it down

// Variables
int mySwitch = 0;
int switchPin = 8;

// Setup
void setup() {
  Serial.begin(9600);
  pinMode(switchPin, INPUT);
}

// Das loop...
void loop() {
  // Look for the switch's status in every cycle of the loop.
  // Note that the switch is set to be normally HIGH
  mySwitch =  digitalRead(switchPin);
  Serial.println(mySwitch);
}