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what to do with 100 led?

I have a set of 100 bicolor (red and green) led. i have no idea of what to do with them, tough.

30 comments
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Dec 9, 2008. 7:14 AMpurduecer says:
you could always go with the persistence of vision (POV) device
Dec 9, 2008. 5:27 PMGoodhart says:
There are certainly plenty of ibles on those ( here is an example )
Dec 6, 2008. 1:37 AMKryptonite says:
Dot matrix display? I'd like to make one I know that much. There's 3d cubes that can form patterns and everything, and there's an instructable one how to make one, I don't know if you're interested but it looks hell cool!
Dec 7, 2008. 5:58 AMGoodhart says:
Well, using a (bunch of) decade counter(s) or some other counter type IC is actually more complicated. You would be hardwiring the sequences rather then simply transferring a bit of code to the micro
Dec 6, 2008. 11:42 PMKryptonite says:
Hmm, ok, I thought you would, seeing your picture. Just trying to help.
Dec 9, 2008. 5:04 PMKryptonite says:
Yeah, me too. I have only mediocre skills. Oh well, hope you've found something to do with them!
Aug 17, 2008. 5:39 PMFirebert010 says:
Put them in a panel and create a processor that generates random patterns. Wire them to your halloween masks.
Dec 6, 2008. 9:21 PMwestfw says:
Unfortunately, 100 LEDs in a matrix (10x10) isn't really very many. I've been working with this 16x24 Led matrix (384 LEDs!), and it's still pretty difficult to do any pretty graphics on it (for instance, "life" is quite limited.)


BTW, it's a pretty cheap ($16) display and interfaces nicely to an Arduino. (as shown above)
Dec 6, 2008. 11:44 PMKryptonite says:
Ghee, that's really good! I like the second thingy, but if you could make it slower it would look a bit more impressive and less confusing. Good on ya!
Aug 10, 2008. 8:41 PMRockerx says:
A count-down to christmas or other holiday starting at one-hundred days away. You could make it have an automatic controller that shuts off an LED every 24 hours. Maybe?
Dec 5, 2008. 10:13 PMwestfw says:
This is a great idea, and well within "beginner" capabilities, I think, especially if you're willing to do it "Dig button" style, and push a button for each new day (in fact, a Digg Button might be a good starting point to avoid having to make your own PCB. If you don't get to re-writing the SW (to count down instead of up), you'd just end up with a giant Digg Button...

I'm not sure what do with the two colors; are these two-lead or three-lead LEDSs, and how bright?

Aug 13, 2008. 12:00 PMPlasmana says:
That would be cool!
Aug 13, 2008. 5:36 PMRockerx says:
thanks
Aug 14, 2008. 9:41 AMPlasmana says:
:)
Dec 5, 2008. 1:32 PMDrWeird117 says:
Give 'em to me!!
Aug 18, 2008. 12:15 PMAlexforprezzz says:
100 Batteries for throwies cost about 5 bucks with shipping.
Aug 17, 2008. 5:37 PMarylic says:
If i were you i would make some money out of it by making a friendship band of some kind with cool light show.
Aug 16, 2008. 5:32 PMgimmelotsarobots says:
Make a scrolling text dispaly!
Aug 17, 2008. 2:44 PMgimmelotsarobots says:
I think there's some instructables. There not as hard as they look.
Aug 16, 2008. 6:54 PMFlumpkins says:
Gud Idea!
Aug 15, 2008. 7:33 PMFlumpkins says:
Tape them all over your clothes/body. You will be the led monstah!
Aug 10, 2008. 5:32 PMdsman195276 says:
make some throwies!

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