void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(27, OUTPUT);
   pinMode(14, OUTPUT);
   pinMode(12, OUTPUT);
   pinMode(13, INPUT);

}

void loop() {
  int switchcase =digitalRead(13);
  if (switchcase == 1)
  {
  digitalWrite(27, HIGH);
  delay(100);
  digitalWrite(27, LOW);
  digitalWrite(14, HIGH);
  delay(100);
  digitalWrite(14, LOW);
  digitalWrite(12, HIGH);
  delay(100);
  digitalWrite(12, LOW);
  digitalWrite(14, HIGH);
  delay(100);
  digitalWrite(14, LOW);
  digitalWrite(27, HIGH);
  delay(100);
  digitalWrite(27, LOW);
  }
  else
  {
    digitalWrite(27, LOW);
    digitalWrite(14, LOW);
    digitalWrite(12, LOW);
  }
}