#define LED1 12
#define SWITCH 19
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(LED1, OUTPUT);
  pinMode(SWITCH, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  
  delay(10); // this speeds up the simulation
  digitalWrite(LED1, LOW);
  Serial.println("LED off");
  delay(1000);
  digitalWrite(LED1, HIGH);
  Serial.println("LED on");
  delay(1000);
  

}