#define ECHO_PIN 2
#define TRIG_PIN 3

#include <Servo.h>

Servo myservo;

float readDistanceCM() {
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int duration = pulseIn(ECHO_PIN, HIGH);
  return duration * 0.034 / 2;
}

void setup() {
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  Serial.begin(115200);
  myservo.attach(9);
}

void loop() {
  float distance = readDistanceCM();
  Serial.print("Jarak: ");
  Serial.println(readDistanceCM());

  if(distance <= 10){
    myservo.write(180);
    delay(15);
  }
  else{
    myservo.write(0);
  }
}