Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!cs.utexas.edu!uunet!portal!cup.portal.com!mmm
From: mmm@cup.portal.com (Mark Robert Thorson)
Newsgroups: sci.electronics
Subject: Re: Car electronics projects
Message-ID: <20679@cup.portal.com>
Date: 22 Jul 89 16:16:54 GMT
References: <768@xroads.UUCP> <20556@cup.portal.com>  <1170@snjsn1.SJ.ATE.SLB.COM> <4763@ncrcae.Columbia.NCR.COM>
Distribution: na
Organization: The Portal System (TM)
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In article <1170@snjsn1.SJ.ATE.SLB.COM> greg@sj.ate.slb.com (Greg Wageman) writes:
>
>Here's one answer I've thought about building: a scrolling LED
>character display (like those advertising displays in the woodgrain
>box you see in some stores) which takes voice input from the driver
>and displays messages out the rear window.

How about an FM transmitter for those occasions when some is blasting music
out their windows at outrageous sound levels.  I used this once against an
obnoxious neighbor when I lived in an apartment.

You just sweep across the band until you hear sort of a thud.  That means
you've crossed the frequency of the receiver.  Then you back up, thudding
a few more times, until you home in on the frequency.  If you just sit on
that frequency, the sound goes dead.  If you use an FM wireless mike, you
can say things.  (I never said things, my unit only transmitted an unmodulated
signal.)