#include <ESP32Servo.h>

Servo myservo;
int pos = 0;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  myservo.attach(15);
}

void loop() {
  // put your main code here, to run repeatedly:
for(pos =0;pos<= 180;pos +=1)
{myservo.write(pos);
delay(15);
Serial.println(pos);
}
for (pos = 180; pos >= 0;pos-= 1)
{myservo.write(pos);
delay(15);
Serial.println(pos);}
}