/*
  Bluetooth Retracting Projector Screen
 
This sketch controls the motor that rolls and unrolls the projector screen.
Commands are sent from an android phone via Bluetooth to the Arduino.
An analog pot monitors screen position and acts as an over-travel prevention switch.
 
 Created 17 Feb 2012
 modified xx Xxx 20xx
 by Brett Russell
 
 */
#include <AFMotor.h> 
// Define Constants
AF_DCMotor motor(2, MOTOR12_1KHZ);  //create motor on number 2 port, 1KHz pwm
const int onDelay = 5000;	    // sets the amount of time the motor runs
const int offDelay = 3000;	    // sets the amount of time the motor is off


void setup()
{  
  // set motor speed, 250/255
  motor.setSpeed (250);
}

void loop()
{
	//turns the motor on forward
	motor.run(FORWARD);
	
	//runs for 5 seconds
	delay(onDelay);
	
	//turns the motor off
	motor.run(RELEASE);
	
	//stops for 3 seconds
	delay(offDelay);
	
	//runs the motor backwards
	motor.run(BACKWARD);
	
	//runs for 5 seconds
	delay(onDelay);
	
	//turns the motor off
	motor.run(RELEASE);
	
	//off for 3 seconds
	delay(offDelay);
}