> > (Sort of like how you can find the height of a building with a barameter.)
>
> Well this is the kind of things where you learn the most with a lot of fun.
> If you can build a range finder with laser pointers you have got to have a
> pretty high skill!

Yes, I agree. I just have a weird sense of humor.

> Anyway, range finders have their advantages. You don't have to walk the
> distance you're going to measure (like with a ruler). And you get an
> electronic signal that can be evaluated using some kind of microprozessor.
> I'm using a range finder to measure the distance to "dynamic" targets when
> I'm shooting with my air rifle.

Ayup. My bots use Sharp I/R Rangers as most of their sensors.
--
D. Jay Newman           !
jay@sprucegrove.com     ! Xander: Giles, don't make cave-slayer unhappy.
http://enerd.ws/robots/ !

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