void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(14, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(27, OUTPUT);
  pinMode(21, OUTPUT);
  pinMode(19, OUTPUT);
  pinMode(18, OUTPUT);
  Serial.println("Hello, ESP32!");
}

void loop() {
  digitalWrite(14, HIGH);
  digitalWrite(18, HIGH);
  delay(1000);
  digitalWrite(14, LOW);
  digitalWrite(18, LOW);
  delay(1000);
  digitalWrite(12, HIGH);
  digitalWrite(19, HIGH);
  delay(1000);
  digitalWrite(12, LOW);
  digitalWrite(19, LOW);
  delay(1500);
  digitalWrite(27, HIGH);
  digitalWrite(21, HIGH);
  delay(1000);
  digitalWrite(27, LOW);
  digitalWrite(21, LOW);
  delay(1000);
  // put your main code here, to run repeatedly:
  delay(10);// this speeds up the simulation
}