#include <Servo.h> 

int servoPin = 3; 
 
Servo Servo1; 

const int trigPin = 9;

const int echoPin = 10;

long duration;

int distance;

void setup() {
 
Servo1.attach(servoPin); 

pinMode(trigPin, OUTPUT); 

pinMode(echoPin, INPUT); 

Serial.begin(9600);

}

void loop() {


digitalWrite(trigPin, LOW);

delayMicroseconds(2);

digitalWrite(trigPin, HIGH);

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

duration = pulseIn(echoPin, HIGH);

distance= duration*0.034/2;

Serial.print("Distance: ");

Serial.println(distance);

if (distance<6){

        Servo1.write(0);

      }

      else if (distance>=6){

        Servo1.write(180);

      }
}