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From: levene@aplcomm.jhuapl.edu (Robert A. Levene)
Newsgroups: sci.electronics
Subject: Re: Dec 90 Radio-Elec "Christmas Card" article
Summary: It's been done
Message-ID: <1990Nov2.175134.20740@aplcen.apl.jhu.edu>
Date: 2 Nov 90 17:51:34 GMT
References: <1990Nov2.142454.10784@msuinfo.cl.msu.edu>
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Reply-To: levene@aplcomm.jhuapl.edu (Robert A. Levene)
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In article <1990Nov2.142454.10784@msuinfo.cl.msu.edu> gurney@kira.msu.edu (Eddy J. Gurney) writes:

>..  How hard would it be to use a similar audio filter and instead of
>lighting a bunch of LEDs, turn on one of the four groups of lights on
>the string? ...

A similar project involving 4-color "rope" party lights was done about two
years ago as a Junior project by Robert Lefkowitz at the Univ. of
Pennsylvania, Phila., PA.  I don't have his whereabouts now, but if you
contact Penn's Moore School of E.E., they should be able to locate him.

If they can't find him, send me mail and I'll try to reach him.

--
Robert A. Levene     Internet: levene@aplcomm.jhuapl.edu   Bitnet: RXL1@APLVM

Disclaimer: I speak neither for my race, my culture, my country, my religion,
            my political party, nor my employer, but for me alone.