BlinkySketch_Rev_III

int ledPin=13;
int delayTime=690;
void setup()
{
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
}
void loop()
{
  flash();
}

  void flash()
  {
    digitalWrite(ledPin, HIGH);
    Serial.println("LED is ON.");
    delay(delayTime);
    digitalWrite(ledPin, LOW);
    Serial.println("LED is OFF.");
    delay(delayTime);
  }