#include <Servo.h>

#define servo_PIN 5
#define buzzer    6
#define COMM_PIN  12

int rxData = 0;

Servo servo;

void setup() {
  pinMode(buzzer, OUTPUT);
  pinMode(COMM_PIN, INPUT);
  digitalWrite(buzzer, LOW);
  servo.attach(servo_PIN);
  servo.write(180);
}

void loop() {
  rxData  = digitalRead(COMM_PIN); //= 0 || =1
  if (rxData) {
    servo.write(0);
    digitalWrite(buzzer, HIGH);
    delay(5000);
    digitalWrite(buzzer, LOW);
    delay(10000);
  }
  else {
    servo.write(180);
    digitalWrite(buzzer, LOW);
  }
  delay(50);
}//end of LOOP