// Servo Sweep example for the ESP32
// https://wokwi.com/arduino/projects/323706614646309460

#include <ESP32Servo.h>

const int servoPin = 13;
const int trigPin = 15;
const int echoPin = 2;
long duration;
int distance;
Servo servo;

void setup() {
  Serial.begin(9600);
  pinMode(trigPin, OUTPUT); 
  pinMode(echoPin, INPUT); 
  servo.attach(servoPin, 500, 2400);
}

int pos = 0;

void loop() {
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance= duration*0.034/2;
Serial.print("Jarak: ");
Serial.println(distance);
  for (pos = 0; pos <= 180; pos += 1) {
    servo.write(pos);
    delay(15);
  }
  for (pos = 180; pos >= 0; pos -= 1) {
    servo.write(pos);
    delay(15);
  }
}