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

void loop()
 {
  pinMode(14, OUTPUT);
  pinMode(27, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(25, OUTPUT);
  digitalWrite(14, HIGH);
  delay(100);
  digitalWrite(14, LOW);
  delay(100);
  digitalWrite(27, HIGH);
  delay(100);
  digitalWrite(27,LOW);
  delay(100);
  digitalWrite(26, HIGH);
  delay(100);
  digitalWrite(26, LOW);
  delay(100);
  digitalWrite(25, HIGH);
  delay(100);
  digitalWrite(25., LOW);
  delay(100);
  Serial.println("Hello, ESP32!");
  // put your main code here, to run repeatedly:
  delay(150); // this speeds up the simulation
}