Tinkerbot 3.1: Control an LED

Tinkerbot 3.1

int LED_PIN = 12;

// the setup routine runs once when you press reset:
void setup() {                
  pinMode(LED_PIN, OUTPUT);
  digitalWrite(LED_PIN, HIGH);
  delay(3000);
  digitalWrite(LED_PIN, LOW);  
}

// the loop routine runs over and over again forever:
void loop() {

}