void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(14,OUTPUT);
  pinMode(27,OUTPUT);
  pinMode(21,OUTPUT);
  pinMode(23,OUTPUT);
  pinMode(22,OUTPUT);
}

void loop() {
  digitalWrite(27,HIGH);
  digitalWrite(21,HIGH);
  delay(500);
  digitalWrite(27,LOW);
  digitalWrite(21,LOW);
  delay(500);
  digitalWrite(14,HIGH);
  digitalWrite(23,HIGH);
  delay(500);
  digitalWrite(14,LOW);
  digitalWrite(13,LOW);
  delay(500);
  digitalWrite(12,HIGH);
  digitalWrite(22,HIGH);
  delay(500);
  digitalWrite(12,LOW);
  digitalWrite(22,LOW);
  delay(500);
}