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Battery-Powered LEDs In Passenger Cars ?
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 Posted: Fri Dec 25th, 2015 10:38 pm
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Bob D
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Anybody done this yet in an O-scale car?  If so, what was the length of the car, size of battery,  where did you locate the battery, on/off switch?

How many LEDs did you use?  Can you post the circuit diagram?

Most of the "kits" I've seen are for 3-rail cars converting AC to DC.

Adafruit has a lot of different LED offerings, but some of them seem to need inputs from an Arduino or something similar.

BobD.



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 Posted: Sat Dec 26th, 2015 06:29 am
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fallen
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Hi Bob,

No details I'm afraid but here are some for OO that use lithium batteries, and motion sensors to switch on. May be helpful, or a source of ideas.

http://train-tech.com/index.php/lighting/interior-coach-lighting

Frank

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 Posted: Sat Dec 26th, 2015 11:02 am
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William M
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Use LED flexi stripLeds (just use 3 on a piece of strip) and a 9v PP3 battery/on off switch..Minimum voltage 6v...max 12v.



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 Posted: Sat Dec 26th, 2015 10:47 pm
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Bob D
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Thanks guys! The strip LEDs are the ones I've been looking at, should make for an easy install.

BobD.



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 Posted: Sun Dec 27th, 2015 11:58 am
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Steven B
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Please help "enlighten" an unlighted rookie. I have searched "strips" and I can't find anything but rolls. Not a 3 light strip out there that I can find. Do you cut the roll down and solder this back together? Or is there a product that I can readily adapt?

Thanks!
Steven Bechtold



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 Posted: Sun Dec 27th, 2015 03:43 pm
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Herb Kephart
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Anyone know what the number of the chip (I assume) and motion sensor is that Train Tec uses to turn on and off the lights?

Herb



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 Posted: Mon Dec 28th, 2015 07:10 pm
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Don Gage
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Hello,
You can purchase the white, 12 volt rolls of LED's on Amazon for about $10.

http://www.amazon.com/Triangle-Bulbs-T93007-Waterproof-Flexible/dp/B005EHHLD8/ref=sr_1_1?ie=UTF8&qid=1451333295&sr=8-1&keywords=12+volt+led+strip+lights

The flexible, self adhesive LED strips are designed to be cut in segments of 3 and powered with up to 14 volts. The best part of the flexible strips is that you can tint the light using indelible markers. If you think the light is too cool, add yellow, orange or red. If they are too bright, use lower voltage or a gray or black marker. I use them with 11.1 volt Lithium-polymer or Lithium-ion batteries, depending on the scale.
Hope this helps,

Don

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 Posted: Mon Dec 28th, 2015 10:48 pm
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Steven B
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Thanks for the info Don. That was the answer that I needed. - Steve



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 Posted: Tue Dec 29th, 2015 02:57 pm
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Herb Kephart
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But I was wondering about the light control system that they use. I have had the rolls of lights for a couple years.

Herb



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 Posted: Tue Dec 29th, 2015 03:56 pm
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Bob D
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Herb,

I don't know but I bet it's the same sensor they use in their tiny sound device:

Train Tech Sound

Unfortunately, there's no US dealer from what they told me in the email I got a few months back.

BobD.



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