#include <ESP32Servo.h>

Servo servoMotor;

const int servoPin = 18;   // GPIO connected to servo signal

void setup() {
  servoMotor.attach(servoPin);   // Attach servo to GPIO 18
}

void loop() {
  servoMotor.write(0);    // Move to 0°
  delay(1000);

  servoMotor.write(90);   // Move to 90°
  delay(1000);

  servoMotor.write(180);  // Move to 180°
  delay(1000);
}