#include <Servo.h>

Servo myservo;

void setup() {
  // put your setup code here, to run once:

  myservo.attach(11);
}

void loop() {
  // put your main code here, to run repeatedly:
  myservo.write(30);
  delay(2000);
  myservo.write(60);
  delay(2000);
  myservo.write(90);
  delay(2000);
  myservo.write(180);
  delay(2000);

}