[sdiy] Re: Other LED's

[Roman]

When testing UV LED, by accident I poined it to my eye for a fraction of
a second. It hurt for about half an hour then.

I want to make small EPROM eraser with it and I hope it has enough power to
erase EPROM in reasonable time.

Roman

----- Original Message -----
From: "The Old Crow" <oldcrow at oldcrows.net>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Wednesday, March 24, 2004 3:34 AM
Subject: Re: [sdiy] Re: Other LED's


>
>   Again, be very careful with these.  Notice the warning on the datasheet:
>
> http://rocky.digikey.com/WebLib/Lumex/Web%20Data/SSL-LX5093SUVC.pdf
>
>   "Caution: emits ultraviolet radiation.  Protect your eyes and skin
> during operation as UV radiation may be harmful to your health."
>
>   These things are giving OSHA guys nightmares.  I really can't recommend
> using them as user interface display devices or in any device where the
> LED is directly visible.
>
> Crow
> /**/
>
> On Tue, 23 Mar 2004, Scott Juskiw wrote:
>
> > I've had better luck with purple LEDs. I tried these Lumex ones, Digikey
#:
> >
> > 67-1830-ND LED T-5MM 410NM VIOLET WATER CLR
> > 67-1831-ND LED T-5MM 380NM VIOLET WATER CLR
> >
> > The 380 nm variety is much more expensive than the 410 nm. I couldn't
> > see much difference between them. I used a bunch of the 410 nm in my
> > synth. Looks great.
>