Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!elroy.jpl.nasa.gov!lll-winken!unixhub!shelby!siegman@sierra From: siegman@sierra.STANFORD.EDU (siegman) Newsgroups: sci.electronics Subject: Re: Garage door openers (was 12 V car -> 3 V cd) Message-ID: <69@sierra.STANFORD.EDU> Date: 6 Jan 91 01:25:00 GMT References: <5910003@hpihoah.cup.hp.com> Organization: Stanford University Lines: 29 >>BTW - It's really neat having a working button on the dash to raise the >>door. Ther's also the security angle that if you get power from a >>source that turns on with the accessories, someone can't raise the >>door by breaking into your car when it's parked in the driveway. Also >>no need to think about opener batteries... > >Where did you mount the transmitter so that it can radiate effectively? Most >of them are kind of wimpy and if you mount them in a typical out of the way >place the car body would block off the signal pretty effectively. > >Has anyone else tried this? Some models of Dodge Caravan have an overhead console (on the ceiling between the two front seats) with map lights, a kind of door that drops down when clicked, with a case inside where you can put a pair of sunglasses, and another such door over an opening just big enough for a standard garage door opener control. You stick your regular control unit up into the opening, button side down, with a velcro strip (comes with the van) on the other side; the velcro holds the opener in place against a similar strip up inside the opening. Then close the door, which has a small ajustable stud on the inside positioned just under the opener button. Pushing up lightly on the door when it's closed triggers the garage door opener; pushing harder clicks the door open so you can remove the control unit. Works OK for me, after a little fiddling to get things positioned right.