Re: ATM Brightness of LED

["Richard Schwartz" <richas@earthlink.net>]

----- Original Message ----- 
From: "Dominic-Luc Webb" <dlwebb@canit.se>
To: "Frank Ward" <thewards@mindspring.com>
Cc: <atm@shore.net>
Sent: Friday, August 29, 2003 9:30 AM
Subject: RE: ATM Brightness of LED


>
> On Fri, 29 Aug 2003, Frank Ward wrote:
>
> Not always a waste of time, and actually, if you use a
> voltage regulator, the LED has pretty constant photon flux.

I experimented with LED's and found that da LED itself is a pretty good
voltage regulator.   Perhaps what it needs for constant brightness is a
CURRENT regulator.

. . . Richard