#include <ESP32Servo.h>

Servo myServo;

int servopin = 16;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  myServo.attach(servopin);
}

void loop() {
 myServo.write(0);
 delay(500);
 myServo.write(90);
 delay(500);
 myServo.write(180);
 delay(500);
}