const int buttonpin = 4;
const int ledpin = 5;

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

void loop() {
  // put your main code here, to run repeatedly:
  buttonstate = digitalWrite(buttonpin);
  Serial println(buttonstate);


  delay(10); // this speeds up the simulation
  if (buttonstate == HIGH);
} else {
  digitalWrite(ledpin, LOW);
}