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From: "Gym Bob"
References: <0001HW.B9C26E7400A7161B165FEAC0@news.covad.net> <7tGLdeAS6fn9EwBv@jmwa.demon.co.uk> <email@example.com> <3DEDB1CD.EF3761C7@fanwap.com>
Subject: Re: Best way to power array of LEDs?
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
Date: Thu, 5 Dec 2002 20:40:33 -0500
NNTP-Posting-Date: Thu, 05 Dec 2002 20:40:30 EST
Organization: Golden Triangle On Line Inc.
Have to read what he said first then insult later
"Watson 'Atto Parsec' Name" wrote in message
> In article <3DEDB1CD.EF3761C7@fanwap.com>, firstname.lastname@example.org talked about...
> > LED look like simple but it is not simple.
> > In theory, you can't parallel LEDs.
> > But in practicle, I can parallel superbright LEDs.
> > Many car brake light, they parallel them too.
> > I mixed by parallel 3.4v 3.5v 3.6v 3.01v (forward voltage LEDs @20mA)
> > with a 3.6v regulator.
> > The forward current will vary automatic with the increment of
> > the input voltage.
> > the one 3.01v won't hog all current as someone said in this thread.
> > 3.01v take ~150mA
> > 3.4v take ~60mA
> > 3.5 take ~40mA
> > 3.6 take ~20mA
> The above shows that the lower voltage LEDs hog most of the current.
> > when remove the 3.01v LED, another LEDs still take the current
> > at the same value.
> > So. You can mix it in parallel. The lowest forward voltage LED
> > will not hog all current.
> Well you just showed values that contradict what you say.
> > Tong
> My email address is whitelisted. *All* email sent to it
> goes directly to the trash unless you put NOSPAM in the
> Subject: line. alondra101 hotmail.com
> Don't be ripped off by the big book dealers. Go to the URL
> that will give you a choice and save you money(up to half).
> http://www.everybookstore.com You'll be glad you did!
> Just when you thought you had all this figured out, the gov't
> changed it: http://physics.nist.gov/cuu/Units/binary.html
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