#include <ESP32Servo.h>

Servo myservo;  // create servo object to control a servo
// twelve servo objects can be created on most boards

int pos = 0;    // variable to store the servo position

void setup() {
  myservo.attach(18);  // attaches the servo on pin 18 to the servo object
}

void loop() {
  int potValue = analogRead(A0);  // read the value from the potentiometer
  int servoPos = map(potValue, 0, 1023, 0, 180);  // map the potentiometer value to servo position (0-180)

  myservo.write(servoPos);  // tell servo to go to the mapped position
  delay(15);  // waits 15ms for the servo to reach the position
}