🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: sci.electronics.components
Article #288

Re: Best way to power array of LEDs?

#288
From: Jim Yanik
Date: Fri, 04 Oct 2002 14:47
16 lines
1884 bytes
AC/DCdude17 <JerC@prontoREMOVETHISmail.com> wrote in
news:3D9D3A1F.97DB97B4@prontoREMOVETHISmail.com: 

> X-No-Archive: Yes
> 
> Many LED stoplights are PWM operated, so it's operating at high
> instantaneous power at low duty cycle.  Next time you see  bus
> stoplamps, shake your head while you look at it, you'll see it's
> pulsed. 
> 
That could be why my Valentine One laser detector goes off when I'm behind 
some vehicles.

-- 
Jim Yanik,NRA member
remove X to contact me
Technical Details
Message-ID: <Xns929D6DF363847jyanikkuanet@204.117.192.21>
Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!lnsnews.lns.cornell.edu!news.cse.sc.edu!news.sprintnetops.net!not-for-mail
References: <0001HW.B9C26E7400A7161B165FEAC0@news.covad.net> <3D9D3A1F.97DB97B4@prontoREMOVETHISmail.com>

Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 112d1e,4ef4c9d4aea85e1f
X-Google-Attributes: gid112d1e,public
X-Google-Thread: 10d137,4ef4c9d4aea85e1f
X-Google-Attributes: gid10d137,public
X-Google-Thread: 103407,4ef4c9d4aea85e1f
X-Google-Attributes: gid103407,public
X-Google-Thread: 1118be,4ef4c9d4aea85e1f
X-Google-Attributes: gid1118be,public
X-Google-Thread: 1131b0,4ef4c9d4aea85e1f
X-Google-Attributes: gid1131b0,public
X-Google-ArrivalTime: 2002-10-04 07:47:35 PST
Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!lnsnews.lns.cornell.edu!news.cse.sc.edu!news.sprintnetops.net!not-for-mail
From: Jim Yanik <jyanikX@kua.net>
Newsgroups: sci.electronics.components,sci.electronics.design,alt.engineering.electrical,aus.electronics,sci.electronics.repair
Subject: Re: Best way to power array of LEDs?
Followup-To: sci.electronics.design
Date: Fri, 4 Oct 2002 14:47:34 +0000 (UTC)
Organization: Friends of Lummox
Lines: 16
Message-ID: <Xns929D6DF363847jyanikkuanet@204.117.192.21>
References: <0001HW.B9C26E7400A7161B165FEAC0@news.covad.net> <3D9D3A1F.97DB97B4@prontoREMOVETHISmail.com>
NNTP-Posting-Host: mx28-049.carroll.kua.net
X-Trace: news.utelfla.com 1033742854 17523 216.141.235.49 (4 Oct 2002 14:47:34 GMT)
X-Complaints-To: usenet@news.utelfla.com
NNTP-Posting-Date: Fri, 4 Oct 2002 14:47:34 +0000 (UTC)
User-Agent: Xnews/L5