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Any idea for what to do with some LEDs? (pics)
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Professional Poster
Join Date: Jun 2006
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I bought a pack of 100 ultraviolet LEDs w/ resistors off of eBay ($12 shipped) and I've used 7 so far in my Beige G3 tower. Any ideas on what to do with the rest? I like having fun projects, maybe something new and challenging?
Here's what I've done so far: (sorry for the blurry pic, it's hard to hold the camera still for a good pic of the light)
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Clinically Insane
Join Date: Jul 2005
Location: Vacation.
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Wire them up to your fridge? 
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Been inclined to wander... off the beaten track.
That's where there's thunder... and the wind shouts back.
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Professional Poster
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Originally Posted by Doofy
Wire them up to your fridge?
Ooo! Then I would save Millions™ in energy costs alone!
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Professional Poster
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Make your toilet look futuristic?
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Clinically Insane
Join Date: Dec 1999
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How'd you make your G3 black? Just spray paint it? (btw, that's the first "mod" I did on my G3, I replaced the green LED with a blue one. No soldering required.)
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"…I contend that we are both atheists. I just believe in one fewer god than
you do. When you understand why you dismiss all the other possible gods,
you will understand why I dismiss yours." - Stephen F. Roberts
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Professional Poster
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Originally Posted by olePigeon
How'd you make your G3 black? Just spray paint it? (btw, that's the first "mod" I did on my G3, I replaced the green LED with a blue one. No soldering required.)
Yep, I cleaned up the case, then put several coats of black paint and several coats of clear. (BTW...that's no Beige G3 motherboard inside  ) XBench score: 62.
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Professional Poster
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I've got 93 LEDs left...what to do? Underbody lights for my car?? 
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Clinically Insane
Join Date: Dec 1999
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Originally Posted by Gossamer
I've got 93 LEDs left...what to do? Underbody lights for my car??
What kind of monitor do you have? I have a 21" Philips that I replaced the green LED on the power button with a blue one. I'd just go through your general electronics and start replacing LEDs.
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"…I contend that we are both atheists. I just believe in one fewer god than
you do. When you understand why you dismiss all the other possible gods,
you will understand why I dismiss yours." - Stephen F. Roberts
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Banned
Join Date: Jun 2005
Location: Indy.
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Professional Poster
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Originally Posted by olePigeon
What kind of monitor do you have? I have a 21" Philips that I replaced the green LED on the power button with a blue one. I'd just go through your general electronics and start replacing LEDs.
I have a dell  19" CRT, among others. I should look into that.
And the throwies were cool!
edit: on second thought the LED changes from orange to green depending on the computer's state, eg plugged in, connected, on, etc, so I probably wouldn't want to replace that.
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Admin Emeritus  Join Date: Oct 1999
Location: Zurich, Switzerland
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Originally Posted by Gossamer
I bought a pack of 100 ultraviolet LEDs w/ resistors off of eBay ($12 shipped) ]
Ultraviolet, eh? If they were, then neither you nor your camera would be able to see the light they emit. You have blue LEDs.
Great price, though!
tooki
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Addicted to MacNN
Join Date: Sep 2001
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Originally Posted by Railroader
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Addicted to MacNN
Join Date: Nov 1999
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Originally Posted by Railroader
Thats what I was gonna recommend.
-Owl
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Banned
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It's unanimous!
LED throwies it is.
Get right on it Gossamer. I want 93 LED throwies stat!
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Professional Poster
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Originally Posted by tooki
Ultraviolet, eh? If they were, then neither you nor your camera would be able to see the light they emit. You have blue LEDs.
Great price, though!
tooki
Yeah, I was kind of worried that I wouldn't be able to see the light. They're definitely a deep purple (they look blue in the pics, but they're very purple in person) and they make white on my clothes react just like my black light bulbs. You can kind of see in the pic with the pattern on the desk how the camera lens kind of freaks out at the light. But yeah, true UV light is outside the visible spectrum.
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Professional Poster
Join Date: Jun 2005
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You should wait for some special even in your town and arm small children with the throwies.
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Moderator  Join Date: Apr 2001
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I'd like some to redo the lights on the dashboard of my car.
Currently the gauges are orange. I'd like blue much better.
contact me if you're willing to part with some?
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Admin Emeritus Join Date: Oct 1999
Location: Zurich, Switzerland
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Well don't use UV LEDs for that, you'll ruin your eyes!
tooki
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Professional Poster
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Originally Posted by vmarks
I'd like some to redo the lights on the dashboard of my car.
Currently the gauges are orange. I'd like blue much better.
contact me if you're willing to part with some?
The pictures are deceiving, the lights are actually purple, and if you look at them within the 20 degree light span, the eyes start to hurt and get spots.
eBay link
There's a link to an auction for 20 blue LEDs for $5 shipped from Japan from the same seller I got mine from. They come with the correct resistors for a 12V application, which is really handy.
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Grizzled Veteran
Join Date: Feb 2000
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i've completely forgotten the web address at the moment but you should look around for Luxeon Star and Apollo LEDS. They're 4 or 5 bucks each some of them, but they're REALLY f'in bright, like in the 1 to 5 watt range. The Apollos are ceramic and have a built-in reflector, the Luxeons are an emitter on a small mounting board and you can get a varriety of spot or wide-angle lenses for them. Really rich, intense & pure color, used a lot for outdoor architectural lighting.
I've been using them for edge-lit shelves and product displays and that sort of thing but they're great for blinding people too.
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