#define PIN_LED 18  // The ESP32 pin GPIO

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32-S2!");
  pinMode(PIN_LED, OUTPUT);

}

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

  digitalWrite(PIN_LED, HIGH); // turn the LED on
  delay(500);             // wait for 500 milliseconds
  digitalWrite(PIN_LED, LOW);  // turn the LED off
  delay(500);             // wait for 500 milliseconds
  
}