int trig = 3;
int echo = 2;
#include <Servo.h>
Servo myservo;
int pos = 180;
int distance;

void setup() {
  myservo.attach(9); 
  Serial.begin(9600);
  for (int pinNumber = 9; pinNumber < 2; pinNumber++) {
  pinMode(pinNumber, OUTPUT);
  digitalWrite(pinNumber, LOW);}
  
  Serial.begin(115200);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
}

void loop() {

  myservo.write(180);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig, LOW);
  int duration = pulseIn (echo , HIGH);
  Serial.print("Distance in CM: ");
  Serial.println(duration / 58);
  delay(1000);
  if (distance <200)
  {
     myservo.write(0);
  }
  
 }