We don't mind helping you but we won't do all of the work for you. Please post what you've already done including any ideas you've had and we might be able to make some suggestions. If you've got completely no idea then may be it's your lecuturer's fault and it isn't right that you make him/her look good by cheating and copying from the Internet.
People have been building gizmos called Bit Wackers. There is on called the UBW (USB Bit Wacker) that you can (18F2445 or 18F2550). It may be a good place to start if you need a development platform.