void setup() {
  // put your setup code here, to  run once
   Serial.begin(115200);
   pinMode(26, OUTPUT);
   pinMode(27, OUTPUT);
   pinMode(14, OUTPUT);
   pinMode(23, OUTPUT);
   pinMode(5, OUTPUT);
   pinMode(21, OUTPUT);
}
void loop() {
  digitalWrite(26, HIGH);
  digitalWrite(23, HIGH);
  Serial.println("GO");
  delay(2000);
  digitalWrite(23, LOW);
  digitalWrite(26, LOW);
  digitalWrite(5, HIGH);
  digitalWrite(27, HIGH);
  Serial.println("GET READY");
  delay(2000);
  digitalWrite(5, LOW);
digitalWrite(27, LOW);
digitalWrite(21, HIGH);
digitalWrite(14, HIGH);
Serial.println("STOP");
delay(4000);
digitalWrite(21, LOW);
digitalWrite(14, LOW);
digitalWrite(5, HIGH);
digitalWrite(27, HIGH);
Serial.println("GET READY");
delay(2000);
digitalWrite(5, LOW);
digitalWrite(27, LOW);
}