i was thinking of using a different camera module like the one in link below http://www.ebay.in/itm/MAIN-CAMERA-MODULE-FOR-SAMSUNG-GALAXY-S-DUOS-7562-7262-7392-/151352240384?_trksid=p2054897.l4275 Is it possible to use any camera module used in mobile phones or we have to buy the raspberry pi camera...