low voltage PIR trigger setup for IP cctv cam
On May 29, 1:31*pm, "Jim K" wrote:
On Tue, 29 May 2012 13:13:51 +0100, Grimly Curmudgeon
wrote:
On Mon, 28 May 2012 23:30:00 +0100, "Jim K"
wrote:
Yeah, decent software that allows you to specify a subset of the
camera view to monitor for movement and is smart enough to
not be triggered by sunshine/shade changes due to small clouds
passing the sun etc.
mmm unlikely as the IP cams are firmware based, run on cut down unix
tghus
unable to upload "better software" to....
Actually, RodHead has it right. My ActiveWebcam software on the PC
will detect motion within any user-specified perimeter on the video
frame. Makes no difference what type of camera it is.
steady on grimly ;)
yeah I have no doubt that software running 24/7 on a PC analysisng video
feeds from anywhere would allow lots of "precision" titting about and
setting up. But that's not why I went the IP cams route, I went IP cams to
avoid having to rely on a (in my case) old windows PC running 24/7,
relying on it rebooting itself properly after a power cut etc etc etc.
The cams themselves (nearly) do all the work - just this one that needs
help detecting genuine "events" PIR will do nicely just a shurely shimple?
lash up needed to test the theory and then implement?
So which relay do I need? Anyone? (well you know almost anyone ;))
Jim K
Screwfix's stock may have changed but I have two situations where I
have 240v PIR's from them operating parallel switches on to standard
PIR lights - and the relay contacts in the standalone PIR's are volts
free. If Screwfix don't stock them now, then I'm sure there will be
something on the Bay.
One situation is to switch on the front door PIR light with movement
from orthogonal paths, and the second is to switch on the an outside
PIR light when I'm heading out of my workshop.
Rob
|