#define LED_PIN 21
#define BUTTON_PIN 33

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

  pinMode(LED_PIN, OUTPUT);
  pinMode(BUTTON_PIN, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(100); // this speeds up the simulation

  int buttonState = digitalRead(BUTTON_PIN);

  if (buttonState == HIGH) {
    digitalWrite(LED_PIN, HIGH);
  } else {
    digitalWrite(LED_PIN, LOW);
  }

}