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Windows LED Controller

Discussion in 'Electronic Design' started by Chull13, Sep 30, 2007.

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  1. Chull13

    Chull13 Guest

    I'm still trying to track down a Windows LED Controller.
    USB, Serial Parallel or whatever.
    The Robotics site was a bust (Thanks though for the idea.)
    I need it to be able to be controlled by Windows 95/W2K/or XP
    software.
    It will need to be able to drive 24 seperate channels (2 LEDS on each
    channel) single color with at 3 brightnes levels (or vaiable) with a
    minumun of 15 pulses per second on each channel.
    I would think there is already something out there and I just don't
    have the time to home brew a stand alone contoller (Again - thanks all
    for you help with that idea!)
    It will be snowing soon..! :)
    Thank you
     
  2. Tom2000

    Tom2000 Guest

    Look at the Arduino and the Processing language. You should be able
    to brew up something fairly quickly. It sounds like a simple project.

    http://www.arduino.cc

    Tom
     
  3. Tom2000

    Tom2000 Guest

    Oops... I typed my answer before I'd read your entire message.

    Sorry, I don't know of an off-the-shelf solution. I think I saw a
    mention of some sort of general purpose USB I/O module recently, but I
    don't remeber where.

    Good luck!

    Tom
     
  4. Joerg

    Joerg Guest

    Labjack is one of them but AFAIK not with 24 ports. You can use several
    but that gets expensive.
     
  5. Donald

    Donald Guest

    Google for "disco dance floor"

    A couple of guys from MIT put together some hardware ( micro boards with
    LED driver) that interfaced to a windows app to control the LEDs.

    Hardware is here:
    http://web.mit.edu/storborg/ddf/

    They even give away all their software.
    http://www.peacelovecode.com/
     
  6. DaveM

    DaveM Guest


    I like the Labjack systems.. cheap and versatile. The Labjack model with the
    highest number of digital I/O only has 23 ports. Close, but no cigar.
    However, National Instruments has a model that seems would suit the OP needs.
    http://ohm.ni.com/advisors/html/hel...sp/common/popup/moreinfo.jsp?modelName=6674--
    24 digital I/O pins, USB 2.0 interface, 8.5 ma I/O current. Seems to be a
    match.

    Dave M
    MasonDG44 at comcast dot net (Just substitute the appropriate characters in the
    address)

    "In theory, there isn't any difference between theory and practice. In
    practice, there is." - Yogi Berra
     
  7. Joerg

    Joerg Guest


    They sure are nice, you can even do SPI comms with the LabJack. We did
    that at one client this year and it works like a champ. I've used them
    only at clients so far but I am going to get one here for the lab soon
    when I have some time.

    Oh, and of course I did a proper lacing cord job on that bus harness :)

    But I bet it'll be a wee bit more expensive than $99. With LabJack there
    is another advantage. Now you get a free economy version of Azeotech's
    DAQFactory with it.
     
  8. DaveM

    DaveM Guest

    I didn't look for the price when I looked at the NI DAQ, so I went back. $99
    USD... not bad. Digital I/O only though. I tried to download the data sheet for
    it, but it's apparently corrupt. I wouldn't mind trying that one the next time
    I need lots of digital I/O. The web site didn't elaborate on software for it...
    don't know what is supplied or what kind of programming support it offers.

    Good job on that lacing harness... good to know there's still some pride in
    workmanship around. {:>)

    --
    Dave M
    MasonDG44 at comcast dot net (Just substitute the appropriate characters in the
    address)

    "In theory, there isn't any difference between theory and practice. In
    practice, there is." - Yogi Berra
     
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