Lpc2000

> One of the problems with using light is it's speed. A detector
>should work something like: pulse a laser, wait on laser to return to
>detector, divide the time required between pulse and detection by
>speed of light, look-up time as feet or inches, display on lcd to
>make user friendly.

Use Ultrasonic emmiter and detector, the speed of sound is much lower than
light.


Best Regards,

Mukund Deshmukh.
Beta Computronics Pvt Ltd
10/1, IT Park, Parsodi,
Nagpur-440022
Cell - 9422113746