#include <Servo.h>
Servo myservo;  // create servo object to control a servo

int servo = 9;  // control pin for servo

void setup() {
  myservo.attach(servo);	// attaches the servo on pin 9
			    	// to the servo object
}

void loop(){
  myservo.write(90);		// sets the servo position to center
  delay(1000);          		// waits for the servo to get there}
  myservo.write(0);		
  delay(1000);        
}