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Old 02-06-2017, 08:04 PM   #1
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Interesting Rear Anti Collision LED system

I discovered this on e-bay.
It is basically one of those LED line projection units...like what is in a Laser Plumb Bob.

It is mounted on the back of the vehicle, and projects a red line on the ground.
These are really low cost.

Could be useful when backing up...if you adjust it for 3ft behind your coach, you can see exactly when you are 3ft from an object. My camera makes it difficult to judge distance...


Rear Anti-collision LED projector

Don't know that I would get one...but it could be useful for something.

Regards,

Dan
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Old 02-06-2017, 08:44 PM   #2
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I think I have a use for them.

If I connect them to my docking lights and adjust them they can be useful to determine if the slides will clear objects when parking or to spot the sewer outlet.

I might buy a few to experiment with. I would like a narrower beam and hopefully be able to see them during the day.

Thanks for the heads up.
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Old 02-06-2017, 08:54 PM   #3
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Really neat idea!

Wonder if I put one on a separate on/off switch mounted on my dash area, I could turn it on while driving and - hopefully - frighten off someone driving too close to my bumper (even though my coach doesn't have a bumper).

If they're a SIFI freak, maybe they will think that if they get too close, I could disintegrate them with my laser beam!!!!!!!!!!!
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Old 02-06-2017, 08:54 PM   #4
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For less than $2 including shipping they are certainly worth trying them. I can see them being really useful in foggy weather.
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Old 02-06-2017, 09:01 PM   #5
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Really neat idea!

Wonder if I put one on a separate on/off switch mounted on my dash area, I could turn it on while driving and - hopefully - frighten off someone driving too close to my bumper (even though my coach doesn't have a bumper).

If they're a SIFI freak, maybe they will think that if they get too close, I could disintegrate them with my laser beam!!!!!!!!!!!
I just ordered five!!!
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Old 02-06-2017, 09:05 PM   #6
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I think I have a use for them.

If I connect them to my docking lights and adjust them they can be useful to determine if the slides will clear objects when parking or to spot the sewer outlet.

I might buy a few to experiment with. I would like a narrower beam and hopefully be able to see them during the day.

Thanks for the heads up.
That is a interesting idea.....beats having the DW guessing about the right distance.

Dan
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Old 02-06-2017, 09:17 PM   #7
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Originally Posted by YC1 View Post
I think I have a use for them.

If I connect them to my docking lights and adjust them they can be useful to determine if the slides will clear objects when parking or to spot the sewer outlet.

I might buy a few to experiment with. I would like a narrower beam and hopefully be able to see them during the day.

Thanks for the heads up.
Switch to the red lens sunglasses, the line will show up better!
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Old 02-07-2017, 09:28 AM   #8
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Bookmarking, can't buy anything just now (Logistic reasons)
Imagine turning 90 degrees so it projects a line OUT from teh RV side and mount directly above the sewer outlet.. When the line hits the park's hole in the ground (Sewer inlet) Got it.
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Old 02-07-2017, 02:04 PM   #9
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Here's another version from Amazon. Little more money but it appears to be more complete And, some Cool Patters. Can switch between a line or pattern.
Don't know how I survived all these years without one. I ordered a couple.

https://www.amazon.com/Einskey-Anti-...n%2BLight&th=1
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Old 02-07-2017, 10:33 PM   #10
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That looks really similar to this one for $2.68

Car Cool Pattern Anti-Collision End Rear Tail Fog Driving Laser Caution Light XJ | eBay

There's even one that makes skulls in the light. I imagine the main difference is the shipping time.
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Old 02-18-2017, 07:05 PM   #11
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Not very impressed with this

I got this item today, and can't say that I am too impressed.

In the garage with the lights on, I had a very hard time seeing it.
It would be usable at night for a reference line when you are backing up.

Not sure how well drivers would see it at night with headlights on.

Could be used for a cut line marker on a miter saw...

Glad it was cheap.

Regards,

Dan
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Old 02-18-2017, 07:26 PM   #12
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Quote:
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I got this item today, and can't say that I am too impressed.

In the garage with the lights on, I had a very hard time seeing it.
It would be usable at night for a reference line when you are backing up.

Not sure how well drivers would see it at night with headlights on.

Could be used for a cut line marker on a miter saw...

Glad it was cheap.

Regards,

Dan
I thought what the heck, for two bucks, I gotta try it.
Well same result as Dan. In daylight it's nearly invisible. Certainly not visible in the camera. Might be readable at night but I'm a guy that's parked by 3:00 PM so not much use there either.
Thought it might be useful as a distance marker on the toad when pulling up behind to hook up. The jury is still out on that option.
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Old 02-18-2017, 11:52 PM   #13
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Thought it might be useful as a distance marker on the toad when pulling up behind to hook up. The jury is still out on that option.
I am always taking 2 or 3 tries to get the distance right. I am thinking about
a piece of PVC attached to a pipe flange. something that will stand up, but can be knocked over. Pull our your tow bar arms part way, and stand the PVC at the end of the arm. When the bumper hits it, your are at the right distance.

That is on my To-Do list if it ever stops raining in CA...

Dan
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Old 02-19-2017, 12:01 AM   #14
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Quote:
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I am always taking 2 or 3 tries to get the distance right. I am thinking about
a piece of PVC attached to a pipe flange. something that will stand up, but can be knocked over. Pull our your tow bar arms part way, and stand the PVC at the end of the arm. When the bumper hits it, your are at the right distance.

That is on my To-Do list if it ever stops raining in CA...

Dan
Actually, I have mastered this operation by watching for the reflection of the Honda emblem in the back of the coach. When I see it in the right spot, that's it. (Means the coach has to be shinny). Bang on 99.9% of the time.
But since I spent a small fortune on this high powered laser , I figured I'd adjust it for this job. I'm not overly confident though. I think my reflection method is about as good as it gets. Unless I hook up at night but that's highly unlikely in my world.
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