#include <ESP32Servo.h>

int servo_pin = 5;
Servo servo ;
int angle = 0;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  servo.attach(servo_pin , 500 , 2400);
}

void loop() {
  while (angle <= 180){
    servo.write(angle);
    delay(15);
    angle++;
  }
  
  while (angle>=0){
    servo.write(angle);
    angle--;
    delay(15);
  };
}