Hardware control by php

Dear Sir, I would like to ask you some questons that would help me a lot in my project . i want to make a project for my faculty ,it makes php can control hardware objects so that i can do an operation on a machine by php when it is for example connected to usb or any port in other country . if that is possible please provide me with the tutorials to help me in that ,in both operating systems windows and linux and how to make a php code control a hardware (windows or linux) and which libraries and codes i can use plz i am not an expert in php so detailed tutorials are more welcomed thanks so much here is a similar project to what i want to do http://www.trackercam.com/TCamWeb/index.htm http://67.176.108.177:8090/Remote/index.php3 waiting 4 ur help thanks _________________________________________________________________ Search from any Web page with powerful protection. Get the FREE Windows Live Toolbar Today! http://get.live.com/toolbar/overview