Where can I purchase blue LED???

Discussion in 'Archived Threads 2001-2004' started by rodneyH, Mar 17, 2002.

  1. rodneyH

    rodneyH Supporting Actor

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    I am looking for a blue 5mm wide LED for a project, it needs to beable to opperate on 2 V, RS and PE don't have them, they all seem to require 3.5-5 v and don't work (i tried). Any ideas???

    Thanx
     
  2. Bryan Michael

    Bryan Michael Supporting Actor

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    if you need 2 v to power the led just take the 2 v and run it to a relay that switches the 3.5-5 v then that would work you can get a relay for a couple of bucks and the power suply should be like 10 depends on how mych curent draw you need
     
  3. rodneyH

    rodneyH Supporting Actor

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    bryan, that configuration will not work, it would just be much easier to buy a 2v that works, or give up trying to find a blue one and get another color, BUT my goal is to find blue.
     
  4. Ellen

    Ellen Stunt Coordinator

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  5. DanWiggins

    DanWiggins Second Unit

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    A 2V blue LED? To the best of my knowledge, you're not going to be able to find one. The technology that created the blue LED requires 3.2+ VDC. You'll need to make either a voltage doubler, or drive the base of a transistor to switch on a higher voltage.

    Dan Wiggins

    Adire Audio
     
  6. rodneyH

    rodneyH Supporting Actor

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    Dan, thanx for the reply, I found a 2.5v would that be enough (in other words would it just light up a little dim) or will it not turn on at all, like the 3.5v i got
     
  7. jeff lam

    jeff lam Screenwriter

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    Rodney,
    I was looking trough the PE catalog last night and found some lamp covers:
    http://www.partsexpress.com/pe/showd..._ID=1330&DID=7
    Not sure if they will work for your application but it seems like a way to go if you don't mind using a nylon cover.
    You will also have to find the right size as PE has many sizes of these.
    Good Luck!
     
  8. ThomasW

    ThomasW Cinematographer

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    Why don't you just go to your local Radio Shack? They sell them.
     
  9. rodneyH

    rodneyH Supporting Actor

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    the covers could be a good idea, thanks

    Thomas, I bought 1 from RS but they only carry 2 and they require more Volts, they don't work
     

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