#include <Servo.h>
const int TRIG_PIN = 2;
const int ECHO_PIN = 3;
int ledPin = 13;
int ledPan = 12;
Servo myservo;



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

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 loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int duration = pulseIn(ECHO_PIN, HIGH);
  float distance = duration * 0.034 /2;

  Serial.print("Jarak: ");
  Serial.print(distance);
  Serial.println(" cm");

  delay(1000);

  if(distance < 10){
    digitalWrite(ledPin, LOW);
    digitalWrite(ledPan, HIGH);
    Serial.println("LED ON !!");
    myservo.write(90);
    delay(1000);

  }
  else{
    digitalWrite(ledPan, LOW);
    digitalWrite(ledPin, HIGH);
    myservo.write(0);
    delay(1000);

  }

  Serial.flush();
}