void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode( 17, OUTPUT ) ;
}

void loop() {
  digitalWrite(17,HIGH);
  delay(1000);
  digitalWrite(17, LOW);
  delay(1000);
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}