#include<Servo.h>
Servo servo; 
Const int trig=7;
Const int echo=6;
long duration;
int distance;
void setup(){
  
  pinMode(13,OUTPUT);
  pinMode(10,INPUT);
  servo.attach(11);
  pinMode(trig 7, OUTPUT);
    pinMode(echo 6, INPUT);
  Serial.begin(9600);
}
void loop()
{
  int x=digitalRead(10);
  int y=map(d,2,400,0,180);
if(x==0)
{
  digitalWrite(13,LOW);
  servo.write(0);
  digitalWrite(trig 7, LOW);
  duration=pulseIn(echo 6,HIGH);
  distance=duration*0.034/2;
  Serial.println("distance=200cm ");
  Serial.println(distance);

  Serial.println("No human is nearby");
  delay(500);

}
  else
  {
      digitalWrite(13,HIGH);
      digitalWrite(trig 7, HIGH);

  servo.write(90);
  Serial.println("Human are there");
  delay(500);

  }
}