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Re: [Electronics_101] Easy indicator of outdoor PIR lamps?

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  • K R
    Or can build a simple one transisitor photo eye using a Cds photo cell...........when light shines on the cell it triggers a relay, the relay in turn triggers
    Message 1 of 5 , Jul 7, 2010
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      Or can build a simple one transisitor photo eye using a Cds photo
      cell...........when light shines on the cell it triggers a relay, the relay in
      turn triggers the remote RF device




      ________________________________
      From: James M. (Jim) Geidl <jim.geidl@...>
      To: Electronics_101@yahoogroups.com
      Sent: Sat, July 3, 2010 10:29:43 AM
      Subject: RE: [Electronics_101] Easy indicator of outdoor PIR lamps?

      X10 has a device that senses when power has been applied to a circuit and it
      sends an X10 signal to turn on another X10 device.  Take look at
      www.smarthome.com and I think you can find it.

      Jim, K6JMG
      www.spinochio.com

      No trees were harmed in the sending of this message; however, a large number
      of electrons were terribly inconvenienced.
      //




      > -----Original Message-----
      > From: Electronics_101@yahoogroups.com
      > [mailto:Electronics_101@yahoogroups.com] On Behalf Of kz4rv
      > Sent: Friday, July 02, 2010 10:41 PM
      > To: Electronics_101@yahoogroups.com
      > Subject: [Electronics_101] Easy indicator of outdoor PIR lamps?
      >
      > Let's say I have 3-5 of those cheap, outdoor, passive IR
      > lamps that turn on the floodlights when something warm passes by.
      >
      > Does anybody know of a *known*, easy (cheap) way to turn on
      > any sort of an indicator, indoors? Something that would tell
      > me that "any" of them had been activated would be OK;
      > something that told me which one went off would be even better.
      >
      > I do not want to hard-wire things; what I need is something
      > cheap done via RF. I have a cheap, Harbor Freight wireless
      > "Driveway" alarm; if there are RF devices compatible with the
      > receiver that could be plumbed into the low-voltage circuits
      > of the PIR lamps, that would be fine...whatever might be
      > cheap and functional is OK.... but I'm sure I'm not the first
      > to look for a solution...
      >
      > I fully appreciate the abilities of this group to find
      > answers...I'm not looking for exotic, just cheap and functional.
      >
      > Thanks,
      >
      > Randy



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