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Author Topic: Questions about using a "wireless" backup camera  (Read 4919 times)
Dave Siegel
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« on: June 03, 2011, 03:37:08 AM »

Over the years I have read tons of posts about a hundred different back up cameras, and at the end of their tale is always "and I ran the wires cables thru the bays or thru the ceiling. Running wires through anything is almost an impossibility on our bus.

Our Silversides interior is already finished and foolishly I did not leave a raceway for wiring from the engine compartment, so my question is, "Is there a worth while and reliable wireless system one can incorporate in a bus?" Our bus is 37 feet long from the back wall to the front wall, so the signal would have to travel that far. I have 12 volt power in the rear and 12 volt power in front.

Thanks,
Dave
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Dave & Jan Siegel    1948 GMC  "Silversides"
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« Reply #1 on: June 03, 2011, 05:21:56 AM »

I don't know the answer to your question but I can tell you this.  Search high and low for a wireless even if you have to pay out the nose for it.  I just got done with installing my new one and it was a B%^&h. 
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« Reply #2 on: June 03, 2011, 05:51:35 AM »

Dave, can you run a wire under the bus?
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« Reply #3 on: June 03, 2011, 06:00:02 AM »

Dave we had  wired for years ok , but black and white only, now have the wireless from Sam's club about 69.00  or close to that, it is also color,   really should at least look at it , works great. have it where my wife can see it also. she watches as I change lanes in case I miss anything, color will also show FLAMES black and white shows smoke only, it has sound but good luck hearing that over a Detroit,  the exterior camera comes mounted on a license p[late bracket, just cut the bracket, leave enough for 2 screws and its real small, Good luck  Bill
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« Reply #4 on: June 03, 2011, 06:07:09 AM »

Dave check www.rearviewsafety they can probably help big improvements in the wireless cameras in the last couple of years fwiw I seen the cameras from Sams not bad for the price
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« Reply #5 on: June 03, 2011, 06:52:32 AM »

Dave, a Buddy of mine bought me a wireless for driving to an event. It's a "lesser expensive" one, but works great! The trick is to get the sending end of the camera in view with the receiver. If they can see each other, or at least close to it, I think they work fine.
That's just how I did it because I had one and "no problemo".  Smiley 
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« Reply #6 on: June 03, 2011, 07:08:43 AM »

I see even the R/C enthusiasts even have wireless cameras with sound now for under a C-note, Hi Def even Shocked http://www.xheli.com/hemiwivica.html  and check this out, pretty cool! Talk about keeping an eye on your bus Shocked  
Impressive FPV RC Helicopter Flight Heli Onboard Camera Wind Turbine Almost Crash Accident Bike Car
  I think that with this set up, you should have no trouble transmitting to the front monitor, Hmmm!  Wink
« Last Edit: June 03, 2011, 07:11:00 AM by van » Logged

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« Reply #7 on: June 03, 2011, 07:12:46 AM »

just be sure to have the transmitter on a switch as when you are camping it will knock out all of your wi-fi signal.
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« Reply #8 on: June 03, 2011, 08:10:01 AM »

  I have one of the old B&W voyagers in the Bounder. The old school CRT hard wired kind. Reading many posts and threads here and eleswhere, it seems like everything else in life, manufactures have been busy, either making things so complex you need a 100 page manual in your lap everytime you turn it on to remember which sequence of buttons to work, or they make stuff so cheap its often broken before you remove it from the box.

  Im going to need a camera, and it seems the prices are all over, from dirt cheap to OMG expensive. I dont have a problem spending a few bucks, though in this day anything over $2-300 is simply rediculous. $69 at Sams club is fine, if it works well, but if its junk maybe im better off with an old school B&W hardwired voyager. Its not pretty, but the darn things are bullet proof and useable. IOW, im more concerned with function over fashion. I also wonder if B&W isnt better at night.

  As far as running a wire through a Bus thats already converted, there are many different ways to get it through to where you want it. Including fishing it through the raceway under the floor, or alongside it. You can also slip it inside a section of nylon hose to better protect it if need be.
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« Reply #9 on: June 03, 2011, 11:06:26 AM »

Better view at night don't seem to be,. besides with black and white you will see blinking lights, with color you will actually see the red and blue lights behind you, and the Sam's camera is great but we do have it in line with the sending unit, if my wife walks Thur the coach breaking up the wave the picture jumps slightly. that's how I know she is sneaking up on me,...
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« Reply #10 on: June 03, 2011, 12:43:47 PM »

the exterior camera comes mounted on a license p[late bracket, just cut the bracket, leave enough for 2 screws and its real small, Good luck  Bill
Did you mount the camera down low at license plate height, or is it at the usual RV height (maybe 6 ft or more off the ground)?   I have the luxury of a rear window, so I'm thinking of mounting a camera inside the bus, pointing out through the window, as long as reflections aren't a problem.   Also, what powers the camera itself  -  do you need to run a 12V supply to it, and if so from where?

Thanks, John
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« Reply #11 on: June 03, 2011, 02:01:21 PM »

Dave,

I've had one in my 4104 for about four years. At the time I bought it is was the cheapest color one available and is designed to attach to the license plate frame to be activated by the backup light switch.

I connected it to a panel switch and mounted it on the shelf at the rear window. I doubt that it will work from the plate frame, but I don't know that. The monitor plugs into a cigar lighter outlet.

My only complaint is the screen is very small, hard to see in bright sunlight. Also, it is too small to be of any use underway.

It is worth its weight in gold, anything is better than nothing.

The one on my 4107 is hard wired with a huge monitor, it is totally a different world and very useful underway.

Whatever you decide to buy be sure to adjust it so the bottom of the screen is about 3-4' from the bumper.
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« Reply #12 on: June 03, 2011, 06:10:12 PM »

I mounted it at the top of the rear cap, just under the center marker light and ran the wire under the light Thur the light hole. Way up great view,
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« Reply #13 on: June 03, 2011, 09:35:16 PM »

  The B&W Voyager on the Bounder is mounted at the top of the roof, with the bottom of the image centered over the trailer ball. I can back up to a trailer and be dead on using that thing. But its wide angle enough I can see the entire Jeep, as well as cars to each side, which helps clearing. If the Sams unit can work as well I would be happy enough.
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Dave Siegel
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« Reply #14 on: June 04, 2011, 03:49:03 AM »

Dave,

I've had one in my 4104 for about four years. At the time I bought it is was the cheapest color one available and is designed to attach to the license plate frame to be activated by the backup light switch.

I connected it to a panel switch and mounted it on the shelf at the rear window. I doubt that it will work from the plate frame, but I don't know that. The monitor plugs into a cigar lighter outlet.

My only complaint is the screen is very small, hard to see in bright sunlight. Also, it is too small to be of any use underway.

It is worth its weight in gold, anything is better than nothing.

The one on my 4107 is hard wired with a huge monitor, it is totally a different world and very useful underway.

Whatever you decide to buy be sure to adjust it so the bottom of the screen is about 3-4' from the bumper.

Thanks Gus, I am looking at one on Amazon and it says the range is 20 meters (60 feet?) In the past I have found that range predictions have been highly optimistic and that was my concern. Is your vision good for the entire length of your bus? (Distance from camera to monitor.)
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Dave & Jan Siegel    1948 GMC  "Silversides"
               Naples, Florida
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« Reply #15 on: June 04, 2011, 07:43:39 AM »

My "original" wireless back up camera worked pretty well most of the time.  Sometimes I could not get a signal and when I would go through an underpass or by a big wall it would seem to reflect the signal and I could see the toad. It was at best unreliable at 40 ft.

I just got a new one and have not yet installed it. On this one there is an antenna that I can extend to the front or part way toward the front of the bus --- hopefully it will work better.

I agree the range that is in the package is usually very optimistic at best.

HTH

Melbo
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« Reply #16 on: June 04, 2011, 02:21:52 PM »


Dave,

The camera has pretty much a straight line-of-sight from the camera to the monitor. The monitor is on the sun visor and the camera is on the rear shelf about 1/3 the way up the rear window. 

Bill's post gives me an idea. If you have no wire on a switch to the rear you could hook the camera power to the running lights so all you need do is turn them on when you need the camera. Of course the camera would be on all the time at night but that not usually a lot. Even then you can turn off the monitor when you don't want to have it on.
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Dave Siegel
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« Reply #17 on: June 05, 2011, 07:51:54 AM »

Well Lo and behold, I moved a cabinet in the garage this morning and when I emptied it I found a brand new 5" color monitor and a 6mm wire-in camera. I found the instruction books and set-up guide and guess what??? After reading it , the entire instructions make absolutely no sense to me what so ever. (A lot has to do with the fact that the product comes from China and the book has obviously been poorly translated so the words don't make all the sense that they should.) (Plus I bought this 5 years ago and I am not sure that I have all the parts I need.)

How can I transmit what I have (info) and seek guidance from all you pros out there as to how to hook up?

Don't get me wrong I am thrilled that I found this stuff, just concerned about installing it correctly.

Can anyone help me on this one?

Dave
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Dave & Jan Siegel    1948 GMC  "Silversides"
               Naples, Florida
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« Reply #18 on: June 05, 2011, 10:20:53 AM »

pretty sure that as usual a picture is worth at least a thousand words.  If you post pics of the components, the wiring ports on each with enough detail that we can read the labels, the wires you have etc...someone here will put you right.  We are talking setting up your car stereo level of complexity so it will be doable.  Posting pics of the instructions will help as well
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Dave Siegel
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« Reply #19 on: June 05, 2011, 10:24:59 AM »

I'll  do that when I get home.
Thank you.

Dave.
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Dave & Jan Siegel    1948 GMC  "Silversides"
               Naples, Florida
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« Reply #20 on: June 05, 2011, 12:53:58 PM »

Dave,

Google  the model and name and you can probably find a newer, better written instruction manual. I've done this with numerous things.

The confusing Oriental to English translations can usually be clarified after closer reading. I find many of them very funny but can usually figure out what they mean. Sometimes they call electrical "ground" "earth", very British.
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« Reply #21 on: June 05, 2011, 02:08:01 PM »

AHH, Put Wya 1 into wya 2 disasembo unit fo reasmbly.

There are also the night vision cameras now also in Color do they work as well as the ones you all were talking about. Are they worth the cost?

Dave
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Dave Siegel
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« Reply #22 on: June 07, 2011, 07:41:38 AM »

 am trying to get the instructions out for someone that might understand them, do they make sense to anybody? Try thias link and you will see 4 pages. (I hopeZ)

Dave

http://s979.photobucket.com/albums/ae277/DaveSiegelDesigns/Back%20Up%20Camera%20Instructions/
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Dave & Jan Siegel    1948 GMC  "Silversides"
               Naples, Florida
   Dave is Host to the "Help Assist Pages"
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« Reply #23 on: June 07, 2011, 12:16:33 PM »

A picture of the actual parts you have would probably help confirm that the instructions match that gear.

The instructions talk about a wireless receiver for a wireless camera, while the diagram shows a wired camera. However, assuming they are the right instructions for whatever parts you have, they do make some sense.

The "6-pin to RCA connector" is the pigtail adapter connected to the monitor in the diagram. This has 3 RCA connections, two of which are video (Yellow and Red), and one which is audio (White). You're supposed to use Red for the backup camera. Yellow is your aux video input, which means you probably won't use it. So plug the video (yellow RCA plug) from the wireless receiver into the red connector on the pigtail. Then you need power to the power connector (red being +12V, black GND). And there's a single black wire labeled (backward in) that should go to your backup light power (so the monitor will use the backup video input when you go into reverse). If you don't have that, or it's not easily available, you could add a panel switch to flip instead...connect it to 12V.

The camera and wireless receiver also need to be connected to power, of course. Given how far apart things are, I'm sure you wont be sharing power connections like the diagram suggests.
« Last Edit: June 07, 2011, 12:19:54 PM by Nusa » Logged
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« Reply #24 on: June 07, 2011, 12:52:44 PM »

As for the wire labeled "backwards in" I'd just go ahead an put it on a switch so you can run it while going down the road to check on the toad & etc!
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« Reply #25 on: June 07, 2011, 01:44:52 PM »

Usually "backwards" or "reverse" means the view in the monitor is the same as in the rear view mirrors.
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« Reply #26 on: June 07, 2011, 04:23:26 PM »

of course no one will ever listen to me but here is a  night vision back up cam for $25
http://www.walmart.com/ip/Xovision-Universal-Car-Backup-Camera-HTC35/10972997
and then on e bay get a 7 incher http://cgi.ebay.com/Access-HD-7-inch-Portable-Digital-TV-Brand-New-Box-/120732013239?pt=Televisions&hash=item1c1c3052b7
run the power off the tail lights and all you really need is one wire for the center of the video as you can ground the shield but i would use 2 wires [coax]
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thomas f  Bethlehem n.h
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« Reply #27 on: June 07, 2011, 09:16:24 PM »

Any wireless working in the 2.4GHz will be susceptible to interference from a host of devices. 2.4Ghz is the natural resonance of water, so microwave ovens and humidity will affect performance. The guy driving by with a wireless ipod transmitter in his cigar lighter will attack the signal, your laptop may well interfere as well. There are only 3 non-overlapping channels in that frequency range, every device MUST accept interference and is limited in power output.

 I know nothing about backup cameras (other than I have an ancient BW in the S&S) but every 2.4GHz device I have worked with in the last few years has experienced interference issues. Are there any camera systems up in the 5GHz range? Many more channels available and less devices playing in that range.

We had a 2.4GHz scanner in our truck and when the kids were younger they would shout McDonalds every time it went off, their ovens gave off such a strong signal!
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