#include <Servo.h>    //Include library to work with Servo motor

//Create Servo object, used to control a Servo (access functions, etc)
Servo myServo;        //12 Servo objects can be created on most boards

//Define variable to store the Servo position, to rotate Servo in loop()
int pos = 0;

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

//Establish a serial connection between Arduino and another device
//In this case, this means the serial port can transfer up to 9600 bits/sec

  Serial.begin(9600); //Typically used with a USB cable, also known as a
                      //...Universal *Serial* Bus cable.
                      //The baud rate (the rate at which signals can change)
                      //...is set to 9600 pulses/sec, and it must be the same
                      //...rate as set on the receiving device

  //Attach the Servo on pin 9 to the Servo object
  myServo.attach(9);
}//setup

//main code, to run repeatedly:
void loop() {//loop

  //Rotate the geared motor (Servo) from 0 to 180 degrees, in
  //...steps of 1 degree each iteration
  for(pos = 0; pos <= 180; pos += 1) {//for
    myServo.write(pos); //Tell Servo to go to the position in variable "pos"
    delay(15);          //Then wait 15ms for Servo to reach the above position
  }//for

  //Rotate Servo from 180 degrees back to 0 degrees
  for(pos = 180; pos >= 0; pos -= 1) {//for
    myServo.write(pos);
    delay(15);
  }//for
}//loop