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Thread: 16 led k.i.t.t fader brake light

  1. #1
    Constant Bitrate
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    16 led k.i.t.t fader brake light

    16 led fader i found on ebay looks sweet but was wondering if it woulod be hard to build my own but that can handle around 60 or so leds. Same fade of 16 across that fades from one side to the other.

    I am planning on replacing the blue with red and using this as my thrid brake light and have this go on with my whelen strobes.

    http://cgi.ebay.com/Blue-LED-Knight-...QQcmdZViewItem

    And this is the video of its action

    http://www.knightlight.co.uk/ebay/106_0639.avi

    Any input would be appriciated.

  2. #2
    Maximum Bitrate MobiTekLink's Avatar
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    Looks kinda cool...
    I was hoping it'd be cheaper since these guys are closing anyways!
    08 Lincoln Navigator www.mobiteklink.com

  3. #3
    Newbie marcoiks's Avatar
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    Quote Originally Posted by Jcarere
    16 led fader i found on ebay looks sweet but was wondering if it woulod be hard to build my own but that can handle around 60 or so leds. .....
    It's really easy to make one of these, all you'll need is an 8-bit up/down counter, a 555, Demux's and a few logic chips, and of course a lot of time to solder 60 LED's across. you should be able to find all these parts at your local radioshack (if in the US). this will require some basic Circuit design or maybe a couple of google searches.

    Tell me if u are interested I might be able to help you out with the design if you will have the time to do all this

  4. #4
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    Quote Originally Posted by Jcarere
    16 led fader i found on ebay looks sweet but was wondering if it woulod be hard to build my own but that can handle around 60 or so leds. Same fade of 16 across that fades from one side to the other.

    I am planning on replacing the blue with red and using this as my thrid brake light and have this go on with my whelen strobes.

    http://cgi.ebay.com/Blue-LED-Knight-...QQcmdZViewItem

    And this is the video of its action

    http://www.knightlight.co.uk/ebay/106_0639.avi

    Any input would be appriciated.

    Whelen strobes?? Brings me back to my Public Service days. Are they legal?

    Michael
    ...I love the French language...especially to curse with...Nom de Dieu de putain de bordel de merde de saloperies de connards d'enculés de ta mère. You see, it's like wiping your *** with silk, I love it.

  5. #5
    Raw Wave shotgunefx's Avatar
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    I've actually got two of those from them, got them a couple years ago. Good kit, very bright.



    Good price. I paid almost 50 a piece for mine. Though that model has no voltage regulator, or at least, it didn't so unless you run it from your pc, you might burn it out.

    They had an older model which they used to make on demand that has a voltage regulator. That being said, I'd just get it for cheap and get a regulator ic from radioshack or maplin.

    As far as making your own, you can find tons of circuits online, but they usually aren't as nice. This one always lights 4 leds , (3 faded) to make it look more continuous and less like a dot meter.

    Personally, if you want to make your own, get a PIC programmer (like the PG1 or PG2) and some PIC microcontrollers. Cheap, and programmable.

    Once I get all my other projects squared away, I'm going to revisit this and make my own, but using the speed as the input to the scanning.

  6. #6
    Maximum Bitrate mushin's Avatar
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    Quote Originally Posted by marcoiks
    It's really easy to make one of these, all you'll need is an 8-bit up/down counter, a 555, Demux's and a few logic chips, and of course a lot of time to solder 60 LED's across. you should be able to find all these parts at your local radioshack (if in the US). this will require some basic Circuit design or maybe a couple of google searches.

    Tell me if u are interested I might be able to help you out with the design if you will have the time to do all this
    Yup. You could also do it with a single PIC (or other uC) and a couple transistor arrays (thus shifting the complexity from hardware to software, not that it's all that complex either way). I guess it all depends on what approach you prefer and which you're more comfortable with.

    I wouldn't buy that many LEDs from the RatShack though, they're totally overpriced.

    Soldering 60 LEDs is nothing! I soldered 512 in a 8x8x8 3D lattice recently. In the snow, up hill both ways!

  7. #7
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    i think ill buy a unit from them and the leds and replicate there controler boad and such. That way it is alittle easier considering im only 17 and still in high school with some electronic experience just not with pic controlers and other items you have mentioned but leds i am familier with. Thanks everyone.

  8. #8
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    What do you all think about running that board from the company in the uk but replace the 5mm leds with 10mm 60000mcd red leds that have only a 5ma more draw and same voltage. I think that will solve my problem and make it alot brighter

  9. #9
    Raw Wave shotgunefx's Avatar
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    Quote Originally Posted by mushin
    Yup. You could also do it with a single PIC (or other uC) and a couple transistor arrays (thus shifting the complexity from hardware to software, not that it's all that complex either way). I guess it all depends on what approach you prefer and which you're more comfortable with.

    I wouldn't buy that many LEDs from the RatShack though, they're totally overpriced.

    Soldering 60 LEDs is nothing! I soldered 512 in a 8x8x8 3D lattice recently. In the snow, up hill both ways!
    I wouldn't buy any leds from ratshack, I meant the 7812 (or 7805), don't remember the input voltage

  10. #10
    Maximum Bitrate Skipjacks's Avatar
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    Why am I so facinated by this thing? It's mezmerizing!

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