#include <ESP32Servo.h>

Servo myServo;

void setup() {
  myServo.setPeriodHertz(50);
  myServo.attach(D10, 500, 2400);
}

void loop() {
  // Move 0 -> 180
  for (int pos = 0; pos <= 180; pos += 2) {
    myServo.write(pos);
    delay(15);
  }

  // Move 180 -> 0
  for (int pos = 180; pos >= 0; pos -= 2) {
    myServo.write(pos);
    delay(15);
  }
}