/*
 */

int ledPin =  13;    // LED connected to digital pin 13
int basePin = 12;

// The setup() method runs once, when the sketch starts

void setup() {                
  // initialize the digital pin as an output:
  pinMode(ledPin, OUTPUT);     
  pinMode(basePin, OUTPUT);     
}

// the loop() method runs over and over again,
// as long as the Arduino has power

void loop() {
  delay(3000);                  // wait
  click(40);
}

void click(int length) {
  digitalWrite(ledPin, HIGH);   // set the LED on
  digitalWrite(basePin, HIGH);
  delay(length);                  
  digitalWrite(ledPin, LOW);    // set the LED off
  digitalWrite(basePin, LOW);  
}