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Solar, motion security system with minimal power usage.

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Posted by Reader on August 29, 2007, 10:28 pm
 
I'm not sure who to ask--if you can point me elsewhere (companies, other
discussion groups, etc.), please do.

I need several external security cameras on my house. They need to use
minimum power (thus probably solar) and activate on motion day and night.
Then I probably need a recording device in the house. This has to draw
minimal power.

The problem is I'm totally off-the-grid and in an area that in winter gets
zero sunlight. So if I'm gone a week or a month, a regular system would
totally drain the solar batteries which is a very bad thing.

Or maybe regular cameras would be OK, as long as they draw minimal power,
but would the recorder use a lot of power in standby mode (assuming it would
only rarely have to capture a picture)?

I don't mind black and white, and I don't mind stills (vs. video). I just
want to be able to record if anyone is walking on my property near my house,
clearly enough to make out who they are (so I can file a legal issue against
them as appropriate) using minimal power.

Suggestions, please? Thank you in advance!



Posted by Morris Dovey on August 29, 2007, 10:44 pm
 
Reader wrote:
| I'm not sure who to ask--if you can point me elsewhere (companies,
| other discussion groups, etc.), please do.
|
| I need several external security cameras on my house. They need to
| use minimum power (thus probably solar) and activate on motion day
| and night. Then I probably need a recording device in the house.
| This has to draw minimal power.
|
| The problem is I'm totally off-the-grid and in an area that in
| winter gets zero sunlight. So if I'm gone a week or a month, a
| regular system would totally drain the solar batteries which is a
| very bad thing.
|
| Or maybe regular cameras would be OK, as long as they draw minimal
| power, but would the recorder use a lot of power in standby mode
| (assuming it would only rarely have to capture a picture)?
|
| I don't mind black and white, and I don't mind stills (vs. video).
| I just want to be able to record if anyone is walking on my
| property near my house, clearly enough to make out who they are (so
| I can file a legal issue against them as appropriate) using minimal
| power.
|
| Suggestions, please? Thank you in advance!

You're going to need battery power through the winter if you're that
close to a pole.

I'd look for a very low power IR motion detector and use that to
switch on the power to the video recorder and the associated video
camera just long enough to capture an image or three, then shut off
and allow re-triggering.

I'm not familiar with this stuff, but am aware that Philips
manufactures IR motion detectors - you might use them as a starting
point for your research.

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto/



Posted by Randy on August 30, 2007, 8:31 pm
 

I am wondering if wind generators hold up well in those parts?
That might help with the darker days.
I'm wodering how well they handle ice storms?
An Air-X 24 will be my next purchase due to some stormy winter days around
here.
Randy



Posted by Reader on August 31, 2007, 4:11 am
 Unfortunately, relative to power sources, the property is in a deep mountain
draw--thus the zero sunlight in winter for a couple months and no good wind
power at least according to what I've read is required for an effective wind
system.



Posted by Terryc on August 31, 2007, 10:23 am
 Reader wrote:

For significant wind power generation, you do need good winds.
Unless you have something like a consistent low breeze and want to
experiment.

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