void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(5,OUTPUT);
  pinMode(15,INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:

  if(digitalRead(15) == HIGH){
    digitalWrite(5,HIGH);
  }else{
    digitalWrite(5,LOW);
  }
  
}