#include<Servo.h>
Servo Myservo;
#define trigPin 10           // Trig Pin Of HC-SR04
#define echoPin 9        // Echo Pin Of HC-SR04
#define trigout 8                   //left motor 1st pin

int pos;
long duration, distance;


void setup() {
  Myservo.attach(3);
  Serial.begin(9600);
  pinMode(trigPin, OUTPUT);       // Set Trig Pin As O/P To Transmit Waves
  pinMode(echoPin, INPUT);        //Set Echo Pin As I/P To Receive Reflected Waves
  pinMode(trigout, OUTPUT);
  Myservo.write(0);
}


void loop() {
  readUltrasonic();

  if (distance < 15 && distance > 0){
    Myservo.write(90);
    delay(2000);
    Myservo.write(0);
    delay(2000);
  }
}

void readUltrasonic() {
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);       // Transmit Waves For 10us
  delayMicroseconds(10);
  duration = pulseIn(echoPin, HIGH);        // Receive Reflected Waves
  distance = duration / 58.2;                       // Get Distance
  Serial.println(distance);
  delay(10);
}