Roomba lawn mower
On Wednesday, November 2, 2016 at 11:50:31 AM UTC-4, (PeteCresswell) wrote:
Per : There is a device that does what you want, only it is movement operated. It sprays water (at as high a pressure as you can feed it) at anything that moves within 20 feet of it. https://jet.com/product/detail/86c7c...B&gclsrc=aw.ds Believe-it-or-not, I actually have one of those things. It "Works" in the sense that if something comes into it's sensory view it really does turn on the water.... and I was using it for awhile to guard a corridor that deer were coming in through from a valley across the street. But they are not practical for large areas - too much hose needed, although I guess a major trenching project could deal with that. Instead, I went over to these things: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 A dozen-or-so placed around the yard. Place looks like a Christmas tree at night and I make sure none are facing the street or neighbors. Understood that correlation is not causation, but the number of deer coming into our yard has dropped to about 2 percent of what it was and our hostas (deer seem to enjoy eating hostas more than other plants) have survived every summer since. Still plenty foxes, raccoons, and 'possums - plus the occasional neighbor's cat or dog - but virtually no deer. -- Pete Cresswell What brand type light sensor did you use ? estimates on sensor range....movement activation...effective target area ? I lived above a waterfall in black bear country. The fall thundered n vibrated ground fall winter spring. Naybors had serious bear problems. Not in the falls area despite using a bottle landfill against the buildings north wall. Added a Wolo motorcycle air horn to my van under hood lip...horn attached to hood. Horn freezes deer elk onto roadside. With the OEM horn operating. |
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