#include <Servo.h>
#define trigPin 13
#define echoPin 12
Servo myservo;
int jarak = 0;
int durasi;

void setup() {
  // put your setup code here, to run once:
  pinMode(trigPin,OUTPUT);
  pinMode(echoPin, INPUT);
  Serial.begin (9600);
  myservo.attach(9);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  durasi = pulseIn(echoPin, HIGH);
  jarak = durasi/58.2;

  if (jarak>=2 && jarak<=10){
    myservo.write(90);
    delay(15);
  }
  if (jarak<=10){
    myservo.write(0);
    delay(15);
  }

  Serial.print("jarak ke Benda =");
  Serial.println(jarak);
  delay(1000);
}