this Is preethi doing M. I have chosen project based on laser range finder.

this Is preethi doing M.E .. I have chosen project based on laser range finder.. I am going to construct an cheap laser range finder or target finder to detect the object at level cross in my project . I found dhruv aggarwal and saad raja document its vry mch helpful . bt I need feed up about info tht hw I do by my own using simple laser pointer available in market ,, help me pls