void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(26, OUTPUT);
  pinMode(25, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(4, INPUT);
  Serial.println("Hello, ESP32!");
}

void loop() {
  int switchcase;
  switchcase=digitalRead(4);
  if(switchcase==1)
  {
  digitalWrite(26, HIGH);
  delay(1000);
  digitalWrite(26, LOW);
  // put your main code here, to run repeatedly:
  delay(1000);
  digitalWrite(25, HIGH);
  delay(1000);
  digitalWrite(25, LOW);
  delay(1000);
  digitalWrite(14, HIGH);
  delay(1000);
  digitalWrite(14, LOW);
  delay(1000);
  }// this speeds up the simulation
}