// Initializing servo pin
int servoPin[] = {5, 8, 9, 14};

void setup() {
  // Declaring servo pin as output mode
  for(int s = 0; s < 4; s++){
    pinMode(servoPin[s], OUTPUT);
  }
  servoPos(210, 210, 210, 210); // set servo to center position
  delay(500);
  servoPos(210, 165, 210, 210);
  servoPos(210, 165, 210, 165);
}

void loop() {
  servoPos(255, 165, 255, 165);
  servoPos(255, 210, 255, 210);
  servoPos(255, 210, 255, 255);
  servoPos(255, 255, 255, 255);
  servoPos(165, 255, 165, 255);
  servoPos(165, 210, 165, 210);
  servoPos(165, 165, 165, 210);
  servoPos(165, 165, 165, 165);
}

void servoPos(int a1, int a2, int a3, int a4) {
  analogWrite(servoPin[0], a1);
  analogWrite(servoPin[1], a2);
  analogWrite(servoPin[2], a3);
  analogWrite(servoPin[3], a4);
  delay(400);
}