White LED Strobes - PCB design and interest thread

Discussion in 'Strobes - LED or Others' started by AussiePhil, Jun 14, 2010.

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  1. AussiePhil

    AussiePhil Dedicated Elf Administrator

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    OK here's a little collaboration between myself and Tabor.

    Special thanks to Brad Jones for the original idea, it can be found over at DIYC
    http://doityourselfchristmas.com/forums/showthread.php?p=112263#post112263

    Tabor and I have chatted about this for days after he asked if i could order some pcb's. The end result is a new, hopefully improved design of the original idea.

    What it is, is a White high power LED that has a constant current source and is pulsed on and off by your sequencing software.

    The LED driver still needs to be tested and is being ordered for testing however confidence is fairly high it will work as expected.

    The board measures 12mm x 18mm and has been designed to fit with the C7 covers Fathead45 cooped.

    The following LED's could be used.

    8mm x 1W
    or
    8mm x 0.5W (recommended)
    or
    3 x 3mm 20,000mcd's at 12v
    4 x 3mm 20,000mcd at 24v may be possible

    All of the above is subject to full testing before ordering pcbs

    The PCB's should be no more that 25c Each and maybe significantly less, depending on final quote from PCB manufacturer.
    The led Driver is around 65c in quantity, cent or 2 for the resistor and the cost of the LED.

    Bit of silicone and some heatshrink we now have a very bright LED "strobe"

    a picture of the PCB is below.

    video of LED
    strobe

    My Thanks to Tabor

    If your interested in the PCB please add how many hundred you would like :)

    INTEREST IS ONLY FOR THE PCB (at this time)

    Cheers
    Phil
     

    Attached Files:

  2. cenote

    cenote Suburbs of Philadelphia

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    I'm in for 100 of them.
     
  3. Aproct

    Aproct LURKER

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    Put me in fro $40 worth..at $.25 a piece...I will put them everywhere!
     
  4. ThaiWay

    ThaiWay 1500 C9's are not green

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    yup, a 100 for me!

    John
     
  5. ron

    ron Apprentice Elf

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    Oh geez, more pcb's....

    I'm in for 100.

    Ron
     
  6. KeithTarpley

    KeithTarpley New Elf

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    Greetings,,,

    Well, I was watching fireflies last night. Foreshadowing, obviously. 200 pcbs please.

    Keith
     
  7. solidmodeler

    solidmodeler New Elf

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    Put me down for 132.
     
  8. kevr

    kevr Full Time Elf

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    Hi guys,

    I'm in for 100 to start.

    Kev :)
     
  9. fathead45

    fathead45 Fiedler Christmas

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    ill take atleast 200.

    oh and by the way, i still have plenty of these covers for sale. jst pm me.
     
  10. fasteddy

    fasteddy I have C.L.A.P Global Moderator Generous Elf

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    ok i didnt want to but they are cheap so ill be interested in 100 of them. Damn budget is strained as it is ::)
     
  11. toodle_pipsky

    toodle_pipsky Minister of Silly Walks

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    I'm going to be the odd one out and say I'd be interested in 50.
     
  12. Vairmoose

    Vairmoose One blink a day keeps the blahs away.

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    Ok... I'm convinced.. (better to get now than regret later).

    Please put me in for 100.

    Thanks
    Larry
     
  13. XDU

    XDU Full Time Elf

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    I'll put in for 100
     
  14. fasteddy

    fasteddy I have C.L.A.P Global Moderator Generous Elf

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    looks like a bit of interest here with the strobes. The only thing is what to use to control them, it seems a waste to use a dimming channel on somthing that only requires an on and off state, so im wondering if there are any cheap suggestions on what to use or possibly anything simple that could be made.
     
  15. DanoNJ

    DanoNJ Full Time Elf

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    I have a question as the use of these. What I want to do is to use a somewhat smaller LED and have these powered up all the time - not connected to a controller. Plan would be to use a standard PC power supply (I'm guessing these are 12vDC.). I would place a number of them in trees in one section of my display and have them 'twinkle'. Now, would these work for this set up??
     
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