Article View: sci.electronics.components
Article #167Re: Best way to power array of LEDs?
From: Sylvan Butler
Date: Tue, 05 Nov 2002 17:59
Date: Tue, 05 Nov 2002 17:59
25 lines
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2693 bytes
On Sat, 2 Nov 2002 19:02:35 +0000 (UTC), David Lesher <wb8foz@panix.com> wrote:
> John Woodgate <jmw@jmwa.demon.contraspam.yuk> writes:
>
>>>>Let's have a competition to see how unbearably complicated we can make
>>>>the task of feeding 36 LEDs from a car battery.
>>>
>>>Dynamotor to get higher voltage; then ballast tube regulation..
>
>>That only two extra parts. We already had 'solutions' with 30 or so.
>
> My solution has 0.1% efficiency, takes up lots of space, weights a
> ton, and makes lots of noise. What else could you want?
Big sparks and lots of smoke.
sdb
--
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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: 1131b0,4ef4c9d4aea85e1f X-Google-Attributes: gid1131b0,public X-Google-Thread: 1118be,4ef4c9d4aea85e1f X-Google-Attributes: gid1118be,public X-Google-ArrivalTime: 2002-11-05 10:00:23 PST Newsgroups: sci.electronics.components,sci.electronics.design,alt.engineering.electrical,aus.electronics,sci.electronics.repair From: Sylvan Butler <Znospam+noZs_0211@hpb13799Z.Zboi.hpZ.com.invalid> Subject: Re: Best way to power array of LEDs? References: <0001HW.B9C26E7400A7161B165FEAC0@news.covad.net> <Rsan9.14070$qh1.1622310@news.ca.inter.net> <ank9ep$lumv$1@hades.csu.net> <anku2n$5so$1@news.wave.co.nz> <7tGLdeAS6fn9EwBv@jmwa.demon.co.uk> <apvlvu$n2c$1@reader1.panix.com> <KVdHjAAjM3w9Ew8l@jmwa.demon.co.uk> <aq17gb$7ut$1@reader1.panix.com> Organization: Hewlett-Packard Mail-Copies-To: never Message-ID: <slrnasg1o7.1t5.Znospam+noZs_0211@hpb13799Z.Zboi.hpZ.com.invalid> User-Agent: slrn/0.9.7.4 (Linux) Date: Tue, 5 Nov 2002 10:59:35 -0700 NNTP-Posting-Host: 15.62.64.216 X-Trace: hpb10302.boi.hp.com 1036519212 15.62.64.216 (5 Nov 2002 11:00:12 -0700) Lines: 25 X-Original-NNTP-Posting-Host: 127.0.0.1 Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!paloalto-snf1.gtei.net!news.gtei.net!news.compaq.com!hpb10302.boi.hp.com!localhost!nobody