void setup() {
  
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(12,OUTPUT);
  pinMode(14,OUTPUT);
  pinMode(27,OUTPUT);
  pinMode(15,OUTPUT);
  pinMode(2,OUTPUT);
  pinMode(4,OUTPUT);


}

void loop() {
  digitalWrite(12, LOW);
  digitalWrite(14, LOW);
  digitalWrite(27, HIGH);
  digitalWrite(15, LOW);
  digitalWrite(2, LOW);
  digitalWrite(4, HIGH);
  delay(5000);
  digitalWrite(12, LOW);
  digitalWrite(14, HIGH);
  digitalWrite(27, LOW); 
  digitalWrite(15, LOW);
  digitalWrite(2, HIGH);
  digitalWrite(4, LOW); 
  delay(5000);
  digitalWrite(12, HIGH);
  digitalWrite(14, LOW);
  digitalWrite(27, LOW);
  digitalWrite(15, HIGH);
  digitalWrite(2, LOW);
  digitalWrite(4, LOW);
  delay(5000);
 
}