#include <ESP32Servo.h>

Servo myServo;

// Servo pin
int servoPin = 5;

void setup() {

  // Attach servo to GPIO 5
  myServo.attach(servoPin);

}

void loop() {

  // Move servo to 0 degrees
  myServo.write(0);
  delay(1000);

  // Move servo to 90 degrees
  myServo.write(90);
  delay(1000);

  // Move servo to 180 degrees
  myServo.write(180);
  delay(1000);

}