Sami Khawam wrote: > > Thanks for all who replyed. > > I want to track a remote controled car attached to the computer. > The car will be more than 10m away from the PC. Any ideas? > > Thanks again. > > -- > Sami Khawam > a9501901@unet.univie.ac.at > http://unet.univie.ac.at/~a9501901 Imagine two wall mounted modulated I.R. scanners (pic controlled of course) that return degrees relative to the I.R. source.after that it's just math oh yeah and a modulated led on the top of the car of course.Might even make a good return data path. Tony M.