// LED =13 MEANS PIN NUMBER
int LED =13;

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

void loop() {
  // put your main code here, to run repeatedly:
  //Write = output
  digitalWrite(LED, HIGH);
  delay(1000);
  digitalWrite(LED, HIGH);
  delay(1000);
}