Easy fault finding project

Need an individual,expert in microcontroller programming,who can locate the errors in the C program written for micro controller IC's for a particular project.(details will be provided when the bidder is choosen). I have 8-10 electronic projects eg:-Temperature controller using 8051 [login to view URL] do not work.I feel the error may be in the C program written for that ckt. Your task is to locate the errors occured in this [login to view URL] bidding bidders are requested to do the sample work (so that you understand whether the work is easy or difficult.)and send me the corrected program via PM. The steps are as follows:- 1)Open the website whose url is provided in the attached file. 2)The project is a line following robot who can follow a black line.A video file is also present here you can see actually how the robot works. 3)But my project does not function. 4)You check the diagram for [login to view URL] you feel it's correct, then check the C program (provided at the bottom)for errors. 5)If you observe any mistakes in the C program written,correct these errors and send me the corrected [login to view URL] program should be typed in MS word document and sent via PM. you should also mention the errors in this document. 6)If the programs run sucessfully then you are choosen for doing the project. The sample work is requested to test your skills and also I dont have enough time to select another service provider if I am not satisfied with the provider that I have already selected.