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

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