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Old 11-23-2008, 10:52 PM   #1
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Rear View Camera

OK - here's a question for the more technically inclined folks out there.

I have been looking for an affordable rear-view camera to install on the back of the TT. If anyone else out there has looked for an affordable unit like this, they know that they don't exist.

So, I've been brainstorming a way to do this with less expense. Here's my idea. If anyone out there can tell me why it might not work - and if so how to make it work, I'd appreciate it.

Harbor Freight tools sells these little outdoor security cameras:



The specs indicate that they run on 9 VDC /200mA.

Radio Shack sells the following 12v to 9v adapter:



This unit runs at 1000mA.

I'd plan to run a line to the tow vehicle with a seperate wiring plug to handle the power and the video feed.

I'd run the video into a small LCD monitor that I'd attach to the dash or the window (similar to the GPS mounts) lsimilar to this:



Total cost on this will be about $150.

Here are the questions I have:

1. Is there an issue running an adapter that puts out 1000mA when the camera runs at 200mA?

2. With the very long run from the rear of the TT to the tow vehicle (probably around 40+ feet) will I have an issue with the power over such a long line, or with the video signal?

If anyone sees any other potential technical issues, I'd love the feedback.

Thanks

NH

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Old 11-24-2008, 07:27 AM   #2
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No "technical issues" but something I read a long time ago sticks in my mind. The issue in question was to have a monitor that would allow you to reverse the image. I can't remember the reason but it might be something to think about.
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Old 11-24-2008, 07:41 AM   #3
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Since the camera comes with an 80' cable so I'd guess you'd be ok distance wise. Using the power supply isn't a problem.

I can think of a couple of potential issues. The phone style connector I see might cause some connection problems due to weather and vibration. You could get interference due to the cable length but it's not likely. The number one issue is that the image won't be reversible so you'll be looking at everything backward. If these aren't a problem for you then go for it.

You're also going to have to come up with a way to connect/disconnect it near the hitch unless you're planning on stringing it in and out of the TV every time. If you're handy you can cut the cable and add individual connectors or you could cut it and add another set of phone connectors like it's already got.
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Old 11-24-2008, 04:22 PM   #4
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I see Costco sells a 3 camera wireless system which is on sale right now. May I ask where the video screen can be picked up as I was thinking along your lines for our new 5th wheel trailer 2 on the sides and one out back
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Old 11-24-2008, 05:10 PM   #5
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won't be reversible

OK, I'm new to this, so I don't quite understand what this means. By not being reversible, does that mean that left will be right, and right will be left - I could certainly see that causing some issues if I was using this to check my 6'oclock when changing lanes.

The phone style connector

I'm going to punch a hole in the wall and make sure that the connector is on the inside, and run the wire down thru the wall. Thanks for the feedback here.

connect/disconnect it near the hitch

On the same page here - I'm going to find some type of connector. I HATE stringing wires or anything that looks messy when it comes to wiring - I'm a bit anal like that!

The monitor:

I found this example at http://www.axiontech.com

I think I can find a better one however at another website, but I couldn't remember the webaddress and didn't have time to go thru my records to find it (I bought a bunch of stuff for my pop-up and I have the name somewhere)
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Old 11-24-2008, 05:24 PM   #6
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OMG!! I recalled the site!!

Contrary to my wife's opinion, I do not forget everything..

http://www.millionbuy.com/

I also found a visor clip on monitor here that claims to be "rear camera compatible" (I wonder what that means?)

http://www.millionbuy.com/pericbmclipon.html

This is NOT high quality AV stuff. For full-timers, this might not be the best stuff to use. For the rest of us who may use it one weekend a month and a week or two in the summer - it's just fine....
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Old 11-26-2008, 08:12 PM   #7
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Changed my mind...

never mind cobbling one together. I found this one at millionbuy.com for $130. It appears to be the way to go!!



Features:

Video 1 & Video 2 input
16:9 Wide screen format
Remote control
On screen display menu
Brightness, contrast, color and tint control
Rear view, night vision camera included
Built-in reverse fear sensor wire
NTSC/PAL system compatible
All hardware and installation accessories included
Actual LCD visual display 6.8 inch
Approximate Weight : 2.6 LBS
Warranty Information : 1 Year Warranty


SPECIFICATIONS
Model : ICBM-9292
Device : Card slot
Screen size : 7 inch color TFT
Definition : 1440(W) x 234(H)
System : PAL/NTSC
Nominal voltage : 9 ~ 15V, red line; positive; black line, negative
Power consumption : 7 Watts MAX
Way of control : Push button/Remote controller
Purpose : Monitor and vehicle entertainment
Working environment : -20C ~ +65C
Display function : Auto reversing back-view shift (mirror)
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Old 11-26-2008, 09:55 PM   #8
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Try the Roadmaster VR-3 at Walmart for $88.83.
http://www.walmart.com/catalog/produ...uct_id=4744711
its wireless,wide angle and you can reverse the image and flip it upside down depending on camera mounting.
Frank
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Old 11-28-2008, 05:45 PM   #9
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Naganthunter, is the cord long enough on that $130 model? Let us know how you like it, installed. Thanks!
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Old 11-29-2008, 09:17 AM   #10
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Great idea! I'd be a little worried about the camera. This camera may be built to be put on a house or other stationary structure. Being in hurricane force winds for hours at a time may cause water damage. Also, it may not be up for all the vibrations a vehicle (especially a travel trailer) will produce.

If you do it, why not use shore power from the RV? This would eliminate your concern about the run from the vehicle. Also, since you're using a wired device, have you thought about how you're going to run the wire between the tow vehicle and the trailer? Go to a 9pin connector?

I have recently seen some VERY good deals on wireless cameras/monitors. It could eliminate the wiring concern. However, you should definitely check out their range before you buy since it appears the distance between the camera and the receiver may be 50+ feet.

Good luck!!
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