void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(12, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(27, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(15, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(27,HIGH);
  digitalWrite(4,HIGH);
  delay(1000);
  digitalWrite(27,LOW);
  digitalWrite(4,LOW);
  delay(1000);
  digitalWrite(14,HIGH);
  digitalWrite(2,HIGH);
  delay(1000);
  digitalWrite(14,LOW);
   digitalWrite(2,LOW);
  delay(1000);
  digitalWrite(12,HIGH);
  digitalWrite(15,HIGH);
  delay(1000);
  digitalWrite(12,LOW);
  digitalWrite(15,LOW);
  delay(1000);
  
 

 
 
}