#include <ESP32Servo.h>

const int servoPin1 = 18;
const int servoPin2 = 19;

Servo servo1;
Servo servo2;

void setup() {
  servo1.attach(servoPin1, 500, 2400);
  servo2.attach(servoPin2, 500, 2400);

  servo1.write(90);
  servo2.write(90);
}

int pos = 0;

void loop() {
  for (pos = 0; pos <= 180; pos += 1) {
    servo1.write(pos);
    servo2.write(pos);
    delay(15);
  }
  for (pos = 180; pos >= 0; pos -= 1) {
    servo1.write(pos);
    servo2.write(pos);
    delay(15);
  }
}