Re: Ultrasonic Sensors

["Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx>]

Fact is, we've not been given nearly enough info to make any intelligent
suggestions on this.

Perhaps a guard-dog or night watchman would be the most cost effective and
practical answer..but who knows?...we're all just guessin'


"Tommy" <tommy at leesecurity dot net> wrote in message
news:446f1dea$0$24234$88260bb3@xxxxxxxxxxxxxxxxxxxx
| You keep talking as if the shape of the area is going to change weekly.
| Are you planning to move this system around, or are you just really
| into landscaping. if this is to be a portable system then you have
| added another headache to your situation.
|
|
| rgondzur wrote:
|
| > I would be monitoring outdoor landscaped areas. They could contain
| > ponds, waterfalls, ...
| > They will vary in size and shape so there is no well-defined perimeter
| > that is consistent from one installation to the next. The perimeter
| > will more often than not be finished with stone or concrete rather
| > than natural grass and soil.
| >
| > Infra red barriers would be an option if the shape of the perimeter
| > was symmetrical but it will often not be that way.
| >
| > Per my previous post, I was thinking of trying ultrasonics mounted at
| > the perimeter of the inner circle, pointing toward the outer circle. I
| > would have to space them close enough so their sensing patterns
| > overlap to guard the entire perimeter.
|
|
|
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