Check out the Leica Disto. Not cheap, but uses a laser to do rangefinding. Also automatically can do Pythagorean theorum to figure out the actual length of an object that is only facing you at an angle. It's really amazing! Josh -- A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams On 9/30/05, Jake Brownson wrote: > I'm researching a project, and am having difficulty finding one major > component required. I need to be able to find distances between > 20-100ft or so with maybe 1ft accuracy. Is there anything out there > that comes anything close to this? I've seen laser range finder > products available, but I haven't found any sensor modules. I suppose > getting a complete system and pulling it apart would be an option, but > I thought I'd ask the list. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist