#include <ESP32Servo.h>
#define SERVO_PIN 19
Servo servoMotor;
void setup() {
  servoMotor.attach(SERVO_PIN);
}
void loop() {
  for (int pos = 0; pos<=180; pos+=1){
    servoMotor.write(pos);
    delay(15);
  }
  for(int pos =180;pos>=0;pos-=1){
    servoMotor.write(pos);
    delay(15);
  }

}