#include <Servo.h>

Servo myservo;  // create servo object to control a servo


void setup() {
  // put your setup code here, to run once:
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object

}

void loop() {
  // put your main code here, to run repeatedly:
  myservo.write(0);                  // sets the servo position according to the scaled value
  delay(2000); 
  myservo.write(90);                  // sets the servo position according to the scaled value
  delay(5000); 
}