[Rickertsen2]

Originally Posted by vtrehan

We didn’t have many sensors last year as we were well.... rookies .

This year we are planning to work with an IR sensor mounted on the wheels for distance calculation (and we have a working prototype), and we used opto sensors for line following, we also had some limit switches for various purposes.

We are actually shopping around these days for a more reliable sensor for distance calculation, so if someone can recommend something more reliable and simple, please let us know .

Thanks,
Vivek.

In a word words: encoders. Search the forums and you will find several detailed threads. They are very easy to use and extremely accurate