[AT] Idiot Alarm

dglass dglass at mail.newnanutilities.org
Tue Feb 15 12:42:12 PST 2005


Spencer, how does this differ from the one you can get at Walmart for $1.25?

Spencer Yost wrote:

>About 4 months ago, I asked for some help from the electronic gurus on this
>list for a small circuit board I was building.  It was for an idiot alarm
>for the headlights on a vehicle that didn't have one.  After all the help
>the prototype worked great.   I just got around to creating my enclosed,
>mountable "production" version and installed it and it works great!
>
>With all our old gear (trucks, tractors and what not) sitting around that
>predates idiot lights.  I just thought I would pass on the link again in
>case someone wants to try their hand at it for some of your old stuff:
>
>http://www.uoguelph.ca/~antoon/circ/headalrm.html
>
>It is easy to mount hidden and out of the way, and someone with decent
>soldering skills (I am a hack) could probably keep it the size of a match
>box, plus the buzzer.  Mine is the size of a two decks of cards with
>everything enclosed.  The fix from the gurus was the resistor in-line with
>the wire from the ignition switch fuse:  It needed stepping down from the
>10K to a 4.7K.  That fixed the "ghost buzz".
>
>Just thought I would pass the URL on again....
>
>Spencer Yost
>Owner, ATIS
>Plow the Net!
>http://www.atis.net
>
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>http://www.antique-tractor.com/mailman/listinfo/at
>
>  
>




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