void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(4, OUTPUT);
  pinMode(14, OUTPUT);
}

void loop() {
  digitalWrite(4, HIGH);
  digitalWrite(14, HIGH);// put your main code here, to run repeatedly:
  delay(2000);
  digitalWrite(4,LOW);
  digitalWrite(14,LOW);
  delay(2000);// this speeds up the simulation
}