#include <Servo.h>
Servo myservo; //penyimpanan data
int pos = 0;
const int trigPin = 2;
const int echoPin = 3;
long waktu; //bukan cuma menyimpan waktu. dapat menampung data 32bit
int jarak;

void setup() {
  myservo.attach(8); //sinyal data - pin 3
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop() {
  digitalWrite(trigPin, LOW); //starting
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);

  waktu = pulseIn(echoPin, HIGH);
  jarak = waktu/58.8; //58=defultnya sensor

if (jarak < 10)
  {
    myservo.write(180);
  }
else
  {
    myservo.write(50);
  }
  }