#define GREEN_LED 27
#define GREEN_BUTTON 26

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

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  int greenButton = digitalRead(GREEN_BUTTON);
  delay(2000);
  if (greenButton == LOW) {
    digitalWrite(GREEN_LED, HIGH);
    Serial.println(" On");
  } else {
    digitalWrite(GREEN_LED, LOW);
    Serial.println(" Off");
  }
  delay(2000);
}