#define LED 2


void setup() {
  // put your setup code here, to run once:
  pinMode(LED, OUTPUT);
  Serial.begin(9600);
}


void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(LED, HIGH);  
  Serial.println("LED ON");
  delay(1000);                      
  digitalWrite(LED, LOW);    
  Serial.println("LED OFF");
  delay(1000);    
}