#include <Servo.h>

int servoPin = 3;
Servo Servol;

const int trigPin = 9;
const int echoPin = 10;

long duration;
int distance;

void setup() {
  Servol.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) {
    Servol.write(0);
  } else if (distance >= 6) {
    Servol.write(180);
  }
}