#include "Servo.h"

Servo myservo;

#define servoPin 0

void setup() {
  myservo.attach(servoPin);
}

void loop() {
 
  // Sweep from 0 to 180 degrees:
  for (int angle = 0; angle <= 180; angle += 1) {
    myservo.write(angle);
    delay(15);
  }

  // And back from 180 to 0 degrees:
  for (int angle = 180; angle >= 0; angle -= 1) {
    myservo.write(angle);
    delay(15);
  }
  delay(1000);
}