Yesterday posted this: http://letsmakerobots.com/node/1797
Today I realize it should have been a blog entry; It is just my personal trip, but it is not a robot or a walkthrough, so it must belong in my blog :)
Yesterday I went on about how I wanted to use it to detect colors AND distance. Today I had the chance to do a little testing..
It turns out that the (quite obvious fact) brightness of the source has ENORMOUS amounts to say regarding the distance in which we can measure anything.