void setup() 
{
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  Serial.println("AKHIL.M.G-21DI02");
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(15, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(4, OUTPUT);
}
void loop()
{
  digitalWrite(12,HIGH);
  digitalWrite(13,LOW);
  digitalWrite(14,LOW); 
  digitalWrite(4,HIGH);
  digitalWrite(15,LOW);
  digitalWrite(2,LOW);
  delay(1000);

  digitalWrite(12,LOW);
  digitalWrite(13,HIGH);
  digitalWrite(14,LOW);
  digitalWrite(15,LOW);
  digitalWrite(2,HIGH);
  digitalWrite(4,LOW);
  delay(1000);

  digitalWrite(12,LOW);
  digitalWrite(13,LOW);
  digitalWrite(14,HIGH);
  digitalWrite(4,LOW);
  digitalWrite(2,LOW);
  digitalWrite(15,HIGH);
  delay(1000);
}