#include <ESP32Servo.h>

Servo iniservo;
const int trigPin = 14;  
const int echoPin = 13;  
int servoPin = 2;       

void setup() {
  Serial.begin(115200);
  iniservo.attach(servoPin);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop() {
  long duration, distance;
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH);
  distance = (duration / 2) / 29.4;

  
  if (distance >= 2 && distance <= 400) {
    int angle = map(distance, 2,400, 0, 180);
    iniservo.write(angle);
  } else {
    iniservo.write(0);
  }

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

  delay(1000);
}