This is something I would have done. It's a very wise advice and I would also suggest you that you will learn a lot by this method. It will give your brain a good workout session.
What we are concerned about is the pit detection with minimum error. Obstacle detection does not seem much tough. But 'pit detection' that too with minmum error is defenitely confusing us . Can anyone suggest a good idea please...
And thanks for all of your responses.