/*
Serial Communication with Digital Output
Sooyong Lee
2011/02/28
*/

void setup()
{
  Serial.begin(9600); 
  pinMode(13, OUTPUT);
  Serial.println("type 1 and click Send button to turn on the LED");
  Serial.println("type 0 and click Send button to turn off the LED");
}

void loop()
{
  if (Serial.available() > 0) {
    int inByte = Serial.read();

    switch (inByte) {
    case '1':    
      digitalWrite(13, HIGH);
      Serial.println("LED ON");
      break;
    case '0':    
      digitalWrite(13, LOW);
      Serial.println("LED OFF");
      break;
      }
    } 
  }