[Robotgroup] Robotgroup Digest, Vol 52, Issue 2

[Doug Emes]

> From: Robo Al <sp-18561884 at ggsys.net>
> Subject: [Robotgroup] Triangulation
> Does anybody know any links or reference material
> about non GPS triangulation?
>
> I would like to play with something within these
> requirements:
>
> * open and closed spaces around 150'x100' max size (ie.
>  a yard or inside a house)
> * accurate to within 1 to 3 centimeters
> * inexpensive. Hopefully sub $40 for parts.
> * A computer or fast uC will be available to do the
>  calculations so the $40 is just for sensors and I/O
>  interfacing to the computer.
>
> I would imagine setting 3 or 4 radio beacons within my
> fence posts, but I'm afraid I just don't know enough
> about radio triangulation.
>
> Thanks,
>
> Alberto
>


http://www.ti.com/corp/docs/landing/cc2431/index.htm
Its roughly 8 bucks a chip in high quantity... but you would
need to so some programming.