-=> ROY J. TELLASON wrote to WAYNE CHIRNSIDE <=-

 WC>  I haven't been there in years either but checked the web site to
 WC> find the info.

 RJT> Oh.  Checking their web site never occurred to me.  

 WC>  I'd expect you could buy a bunch cheaper mail order at someplace
 WC> like DigiKey or Matt Electronics.

 RJT> Yeah.

 WC>  I've both PDF catalogs here and DigiKey's is a bear to read but
 WC> Matt Electronics is easy.

 RJT> I was thinking about calling Digikey and asking them to send me out one
 RJT> on paper,  like they used to.  Dunno Matt Electronics.

Last I knew you could request one from their web page
which is precisely what you'd expect it to be named.
www.digikey.com

 RJT> I'm not real
 RJT> hot on suppliers at this point anyhow,  being more bugged by the fact
 RJT> that I've accumulated all these parts for years now and haven't done
 RJT> all that much with them.

 Tossed all mine last move except for two transformers.

 RJT> My last Radio Shack purchase was a few boards to build stuff on,  and
 RJT> some terminals,  which I envision a use for on one project.

 I'll have to get some perf board to mount the white LEDs on.

 WC> or you can get the same thing in a battery operated keychain light
 WC> at Walgreens for 1.50 along with 2 3 volt lithium 2016 coin cells.

 RJT> Too bad we don't have any of those around here.

 WC>  Perhaps they can be found in some other discount or drugstore.
 WC> Found mine as an impulse buy item right at the checkout.

 RJT> Maybe when I get out some time,  which I'm not doing too much these
 RJT> days.  I started getting active again in the job search today,  so
 RJT> things will probably change.  I'll be out more,  busier,  and have less
 RJT> time to mess with stuff...

 WC> Radio Shack lists theirs at 3.6 volts and I suspect they're
 WC> identical, same package style anyway, 20 MA. Max.

 RJT> A bit more than what you could get out of one 3V coin cell,  then.

That and they do not include a current limiting resistor!
Either they're counting on the cells internal resistence
to limit current or treating the item as a throw away.
Case is cute design and the LED isn't actually hooked up to anything.
One lead simply sits on one side of the dual batteries and
the ither is held apart by a plastic slide with metal tab that makes
the connection when slid forward.

 WC> I'm guessing given the monochromatic nature of LEDs that the white
 WC> LED is actually an ultra-violet LED illuminating a phospher much
 WC> like UV illuminates a phospher in a flourescent.

 RJT> Maybe,  I don't have a clue.  I stopped trying to keep up with things
 RJT> some time back,  and there are some serious gaps in my understanding of
 RJT> what's going on with a lot of the technology these days.  At least I
 RJT> have web access now,  and can look for the info when I happen to think
 RJT> of it while online.


 
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