Re: [Electronics_101] Easy indicator of outdoor PIR lamps?
- 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@...>
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.
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.
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