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> Let there be light, LED taillights
smrz914
post Jan 8 2006, 02:19 AM
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Here are some samples. These are pretty much how they will be. I need to order some more LEDs to complete this trial set. I only had enough to do 1 side of the car. The 914 taillights are on the very left and for comparison I turned on the brake lights on my Integra. the 914 taillights are at the very front of the Integra.


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smrz914
post Jan 8 2006, 02:19 AM
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smrz914
post Jan 8 2006, 02:20 AM
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smrz914
post Jan 8 2006, 02:20 AM
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last one for now


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smrz914
post Jan 8 2006, 02:22 AM
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I noticed it's really hard to take pictures of the taillights. The real difference is when you see it in person.
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neo914-6
post Jan 8 2006, 02:35 AM
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Hey Paul! How many LED's do you have in an array (per bulb replacement)? My brother-in-law offered to help me put some together for neo914-6 but I found some assemblies for sale on eBay that I may use...

Lookin good! (IMG:http://www.914world.com/bbs2/html/emoticons/clap.gif)
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smrz914
post Jan 8 2006, 02:51 AM
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30 LEDs for the reverse lights 28 for brake and 28 for blinker. stock bulbs are 21 watts and these use about 3.5 and are a fraction brighter at the same voltage. They are my own design, custom made.
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Andyrew
post Jan 8 2006, 03:40 AM
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so are you making a kit for this?

Im a waiting for you to finish this. (IMG:http://www.914world.com/bbs2/html/emoticons/smilie_pokal.gif)

Lookin good!
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bd1308
post Jan 8 2006, 09:40 AM
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yep i'm all for it....

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McMark
post Jan 8 2006, 11:45 AM
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Great job Paul! I can't wait for them to go into production!
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dakotaewing
post Jan 8 2006, 01:05 PM
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QUOTE (smrz914 @ Jan 8 2006, 03:22 AM)
I noticed it's really hard to take pictures of the taillights. The real difference is when you see it in person.

Paul -
The problem is you are taking these pics at night -
If you want to get a very good representation, you will need to do these at twilight, when the exposure for ambient light, and the exposure for the taillights are closer together -
Start right at sundown, and shoot until its dark - Make sure you mount the camera on a tripod, and make sure the flash is off, or at least off half the time you are shooting -
(I would'nt recomend have tha flash on at all...)
Make sure the cars are not in direct sunlight when you start...
You will need to take pictures during a 30 minute window, and will find that the best exposures, are during a 6-8 minute window during that timeframe...
Hope this helps -
Thom
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TonyAKAVW
post Jan 8 2006, 01:27 PM
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QUOTE
30 LEDs for the reverse lights 28 for brake and 28 for blinker. stock bulbs are 21 watts and these use about 3.5 and are a fraction brighter at the same voltage. They are my own design, custom made.


Wow! Are you using the SuperFlux/Pirhana LEDs? 28 of those would be unbelievably bright. I built a pair of 16 LED arrays that I will eventually use, using the superflux LEDs and they hurt the eyes to look at.

-Tony
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Brando
post Jan 8 2006, 02:49 PM
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How would these compare with the ones from SuperBrightLEDs.com? I got a set I've been unwilling to install because they don't let the flasher unit do it's flashing.
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smrz914
post Jan 8 2006, 04:46 PM
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Andyrew- Yes these will be a kit hopefully sooner then later. I ordered a set of 4 test production PCBs to test the circuit and to see how it fits in the car. For now there will only be a US taillight version. Soon after I get orders for the US version and see that people like them I'll start making Euro versions. That should be a pretty easy change. Then after I pay for school and cover my other costs I'll start on making an upgrade for the front blinkers. Then I'll think about doing a lite race version. (IMG:http://www.914world.com/bbs2/html/emoticons/sawzall-smiley.gif)

dakotaewing- Thanks! I'll try that out. I'll post some pictures that my roommate (good with cameras) helped me take.

TonyAKAVW- these are SuperFlux LEDs

Brando- My LEDs are at 10,000mcd and the ones that superbrightLEDs are a 2500mcd now I don't know if they are comparing apples to apples. But I know for sure that mine can run at a max forward current of 70mA and theirs run at a max of 40mA the viewing angle looks the same. Mine are bright and will hurt your eyes. I don't run them at full current for that reason and for some flexability in voltage changes.

The flasher unit depends on current draw to do the switching. Your LEDs probably won't draw enough current to make the flasher work properly. It my kit needs the flasher you can get a solid state flasher to fix that problem.


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smrz914
post Jan 8 2006, 04:49 PM
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If you are interested in these be warned that you will need to cut part of the housing to fit the boards inside.
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Chris Pincetich
post Jan 9 2006, 12:17 PM
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Sweet! I've been waiting for the LED light posts to re-surface. I drive my 914 daily and even after 2 months am still nervous about other people hitting me from any direction....I was actually in a rear-ender in my '92 Volvo 2 months ago due to slow-downs on hwy 80. I REALLY WANT THESE LIGHTS ASAP, and then LED interior light, LED 3rd brake light... (IMG:http://www.914world.com/bbs2/html/emoticons/laugh.gif)

As a fellow DIYer, of course because I have a 914, I am interested in helping out on your project if needed to speed things up. PM me if interested....Sounds like you've done most of the fitting work and sourced the best part. Maybe delegating some of the busy work (cutting, soldiering) would give you more time for R&D and school?

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bd1308
post Jan 9 2006, 12:54 PM
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I could do some soldering...maybe a kit is in order, for those of us who can do the dirty work....you can do R&D.

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Mueller
post Jan 9 2006, 12:56 PM
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nice job....

any chance of a sequential signal kit? (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif)



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TonyAKAVW
post Jan 9 2006, 01:01 PM
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How's the turn signal flasher work? When I put LEDs in my car, they didn't draw enough current for the flasher to work properly. I had to build an electronic flasher circuit to replace it.

-Tony
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bd1308
post Jan 9 2006, 01:02 PM
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QUOTE (TonyAKAVW @ Jan 9 2006, 01:01 PM)
How's the turn signal flasher work? When I put LEDs in my car, they didn't draw enough current for the flasher to work properly. I had to build an electronic flasher circuit to replace it.

-Tony

resistor?
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