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'[EE}: Blue LEDs'
2003\12\10@132417 by Herbert Graf

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> This should resolve the issues about Etronics blue LEDs.
>
> Just received mine, plugged one in.  Presto - brilliant, colorful
> blue kight.
>
> What a deal for 40 cents.  I shall order more immediately.

       Where'd you get these LEDs from? Do they have white surface mount ones too?
Thanks, TTYL

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2003\12\10@133040 by Tom Deutschman

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I think he bought them from http://www.etronicstuff.com, they are
3000mcd blue led.

I just purchased an assortment of colors from http://www.lsdiodes.com/.
4000mcd and up for $.45 each. I like these kids, they're real
entreprenors!

Tom Deutschman

Wizbang Designs, Inc.
1629 W 8TH AVE
Spokane, WA  99204

Phone: (509) 251-4814
http://www.wizbangdesigns.com



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2003\12\10@142059 by Herbert Graf

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> I think he bought them from http://www.etronicstuff.com, they are
> 3000mcd blue led.
>
> I just purchased an assortment of colors from http://www.lsdiodes.com/.
> 4000mcd and up for $.45 each. I like these kids, they're real
> entreprenors!
>
> Tom Deutschman

       Hmm, doh, looks like neither of them carry surface mount. I want to replace
an EL strip that's burned out in my car and was thinking of using a bunch of
white LEDs, the space is quite thin so I'd pretty much have to go surface
mount. Those prices sure are good. Thanks anyways, TTYL

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2003\12\10@142720 by Keith L. Kovala

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I was able to sample a bunch of blue surface mount LEDs from Fairchild
Semiconductor recently.  You might want to look there for some white surface
mount.

Keith L. Kovala
spam_OUTklkTakeThisOuTspamrenderedelement.com

> {Original Message removed}

2003\12\10@150009 by Ken Pergola

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Hiya Tom,

Thanks very much for posting those two web sites that sell LEDs and ship
inexpensively. It just gave me an idea for a great stocking stuffer for
Christmas for my nephews. I think it is time to get them introduced to
electronics in some way and LEDs are fun for kids!

I was even thinking of maybe introducing them to PICs and simple assembly
language programs. Their ages are 6 and 9. It would be neat to see if it
sets off a spark in them.

Has anyone introduced kids around this age to PICs? Any comments,
suggestions?


Best regards,

Ken Pergola

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2003\12\10@154850 by Wouter van Ooijen

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> Has anyone introduced kids around this age to PICs? Any comments,
> suggestions?

I have some 'lessons' at http://www.voti.nl/cursus/e_index.html, but
they were aimed at 12-16y. 6-9 seems pretty young to me. And I wouldn't
choose assembly.

Wouter van Ooijen

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2003\12\10@161117 by Ken Pergola

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Wouter van Ooijen wrote:

> I have some 'lessons' at http://www.voti.nl/cursus/e_index.html, but
> they were aimed at 12-16y. 6-9 seems pretty young to me. And I wouldn't
> choose assembly.
>

Hi Wouter,

Maybe I'll start them out with the LogoPIC language. :)

Seriously, thanks for your link and your comments. I was thinking of maybe
starting them off with some macros or functions so they could create their
own LED flashing sequences. I won't be dumping raw full-ledged assembly
language on them just yet...

Sorry for wondering off-topic, I better end this thread.

Take care Wouter,

Ken Pergola

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2003\12\10@172047 by Mike Harrison

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On Wed, 10 Dec 2003 21:47:43 +0100, you wrote:

>> Has anyone introduced kids around this age to PICs? Any comments,
>> suggestions?
>
>I have some 'lessons' at http://www.voti.nl/cursus/e_index.html, but
>they were aimed at 12-16y. 6-9 seems pretty young to me. And I wouldn't
>choose assembly.
>

Maybe something like Basic Stamp might be more appropriate

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2003\12\10@174533 by Stef Mientki

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>I was even thinking of maybe introducing them to PICs and simple assembly
>language programs. Their ages are 6 and 9. It would be neat to see if it
>sets off a spark in them.
>
>Has anyone introduced kids around this age to PICs? Any comments,
>suggestions?
>
I did, but didn't have much succes (although we already did a lot of
physics experiments)
For this age (in general) PICs are far to complicated,
even if you use a simple language like JAL or  even simpeler  Basic-87.
What works great for this age is the LEGO-RCX, although it might be more
expensive.
If you look at the RIS software, it's both inviting and awfull simple to
program.
Stef Mientki

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2003\12\10@202744 by DOC

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At 04:10 PM 12/10/2003 -0500, you wrote:
>Wouter van Ooijen wrote:

...

{Quote hidden}

Well it may be off topic, but that doesn't mean that nobody's interested.

I spend a lot of my time encouraging young people to get involved with
technology and it's lots of fun for me and great for the kids.

It's especially rewarding when you run into the bright, hard working ones
who seem to learn more in a few months that you did in 20+ years.

DOC






http://www.robot-one.ca

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2003\12\11@030657 by William Chops Westfield

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On Wednesday, Dec 10, 2003, at 11:20 US/Pacific, Herbert Graf wrote:
>
>         Hmm, doh, looks like neither of them carry surface mount.

Electronics Goldmine (http://www.goldmine-elec.com/ ) has some SMT
white and blue LEDs.  Just got some of the whites, haven't checked
them out too carefully yet...

BillW

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2003\12\12@172723 by Sergio Masci

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William Chops Westfield wrote:

> On Wednesday, Dec 10, 2003, at 11:20 US/Pacific, Herbert Graf wrote:
> >
> >         Hmm, doh, looks like neither of them carry surface mount.
>
> Electronics Goldmine (http://www.goldmine-elec.com/ ) has some SMT
> white and blue LEDs.  Just got some of the whites, haven't checked
> them out too carefully yet...
>
> BillW

They have a 50 USD minimum for international orders. They don't tell you about
the minimum until after you've placed the order and given them your credit card
details AND you've been left dangling for over a day - waiting for a
confirmation which ends up being a cancellation because you didn't meet their
requirements. To top it all off their email informs you to ignore their shipping
charges if you place an international order - these are calculated after you've
placed the order and "someone will get back to you with the correct amount".

It's a lot easier to just go elsewhere.

Regards
Sergio Masci

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