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Battery-Powered LEDs In Passenger Cars ?
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 Posted: Wed Dec 30th, 2015 10:02 pm
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Tramcar Trev
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Look on eBay.... They come in just about any colour but I find the warm white run at around 7.5v from 2 18650 lithium cells to be really very good and produce a nice Incandesecent glow.
http://www.ebay.com.au/sch/i.html?_from=R40&_sacat=0&_nkw=led+strip+lights&_sop=15

http://www.ebay.com.au/sch/i.html?_odkw=18650+battery&_sop=15&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.TRS0&_nkw=18650+battery&_sacat=0



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 Posted: Mon Jan 4th, 2016 12:19 am
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Bob D
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I ordered some led strips from Adafruit last week and should get them in Tuesday.
If they work I'll post what and how's.

Bob d.



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 Posted: Mon Jan 4th, 2016 10:29 am
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William M
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I installed two lots of three strip lights (amber)...in a coach and used a 9v battery (PP3) and a press on/press off switch through the floor of the car. No probs..nice light.



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 Posted: Mon Jan 4th, 2016 10:47 am
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Bob D
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Here's the fabric LED strip I ordered:

LITEX LED STRIP

I ordered a couple plus some of the battery holders so I can cut these in half and get 2 cars worth out of each.

I figured the fabric strip would be easier to handle and small enough it won't be seen.  The battery holder/on-off switch is small enough I can mount it under the floor and not be seen, or paint it a color so it will blend in.

BobD.



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 Posted: Wed Jan 6th, 2016 11:52 am
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Bob D
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Got the fabric LED strips in yesterday.  I quickly installed a piece inside one of my cars.  1st I cut the cloth strip to the length I wanted (with another on/off/battery holder the rest can be used in another car) and mounted it onto a length of double-sided Scotch tape.  Here's a photo (in another car):



On the car I installed it in, I simply placed the battery/on/off box inside the end of the car:



I made the end of this car a snug fit to make it removable, the coupler pocket lip helps keep it in place:



Push the button and we have lights:



SAY WHAT?!?!?!  I think they sent me the wrong string, sure looks blue to me :shocked:

I still think placing the "control" box on the underframe is the way to go, just need to drill a strategically placed hole, although it may be possible to run the cloth between the underframe and body without drilling.

I have another string of LEDs so I'm going to see if they're blue also, hope not.

To me eyes it doesn't look that blue looking at it in front of me but the camera sure picks the blue up well :us:

My other passenger cars don't have a removable end so I need to determine how I'll get to everything.

BobD.



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 Posted: Wed Jan 6th, 2016 01:28 pm
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Bob D
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All 3 packs of the LEDs I got say "WHITE" on them and they do look white outside the car. I'm thinking the blue is a reflection of the blue seats I have inside the aluminum walled car. Unsure what to do about that except maybe paint the inside walls white.

Adafruit does offer them in other colors including yellow.

BobD.

PS...Seaboard did put white covers on the back of the headrests, maybe I'll add that little touch and see if it cuts down on the bluish tint :thumb:

Last edited on Wed Jan 6th, 2016 02:38 pm by Bob D



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 Posted: Wed Jan 6th, 2016 04:49 pm
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Herb Kephart
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Touch up the led bulbs with a yellow felt tip marker?

Herb



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 Posted: Wed Jan 6th, 2016 08:24 pm
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Bob D
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Thanks Herb, I'll give it a go.

I found I can pop the end out and turn the LEDs on/off without having to pick the car up off the tracks. Still want to put the box underneath, but other projects are in the cue.

Bob



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 Posted: Wed Jan 6th, 2016 09:15 pm
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Robert Comerford
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The removable end is a neat trick Bob.
Remember the camera interprets colour depending on the combination of real and artificial lighting types.Playing with the camera's settings for light source might help reduce the blue in your photos too. The main thing is how it looks in real life.
regards
Bob

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 Posted: Wed Jan 6th, 2016 10:56 pm
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Bob D
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Bob, it definitely doesn't look that blue in person and outside the car they look white.

1 spool is enough for two 21" cars.

These cloth ribbon LED strings may be good for buildings too. You'll have to be prepared to buy more batteries, or design something that can be charged.

Bob



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