i need to create lecturer's room simulation. now i refer to [url=http://diasuite.inria.fr/]http://diasuite.inria.fr/[/url] to build simulation. the simulation in 2d. the flow like this..
1. sensor detect id student. then show info of student in monitor.
2. student will ask to make an appointment ( request make by handset).
3. student select time to make an appointment.
4. lecturer approve or disapprove the request
5. student get reply..

the device involve in this simulation : sensor motion detection (reader), monitor (show info) , handset( attach with agent to make appointment ), computer (lecturer used to reply).

now i try to implement the sensor but i not good in programming ... :-[