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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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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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