const int LED=45;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32-S2!");
  pinMode(LED,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  digitalWrite(LED,HIGH);
  delay(100);
  digitalWrite(LED,LOW);
  delay(900);
}