#include <Servo.h>
Servo servo;
int trigPin = 12;
int echoPin = 11;

int durasi, jarak;
void setup() {
servo.attach(10);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
Serial.begin(9600);
}

void loop() {
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
durasi = pulseIn(echoPin, HIGH);
jarak = (durasi * 0.034) / 2;
if(jarak <=11){
  servo.write(0);
  delay(5000);
}
if(jarak >=11){
  servo.write(90);
}
Serial.println(jarak);
delay(300);
}