#include <Servo.h>
#include <NewPing.h>// including Library for ultrasonic sensor
int triggerPin = 5; 
#define echoPin 4
#define maxDistance 200 //detect object upto 200cm
NewPing varName(triggerPin, echoPin, maxDistance);
Servo myservo;

void setup() {
  Serial.begin(9600);
  myservo.attach(3);
  myservo.write(0) ;

}

void loop() {
  delay(300);
  unsigned int dist = varName.ping_cm();
  
  Serial.print(dist);
  Serial.println("cm");
  delay(100);
  
  if(dist<60 && dist>0)
  {
    myservo.write(0) ;
  }
  else{
    myservo.write(90) ;
  }

}