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From: "Pat Ford"
Subject: Re: Electronic Auto Dashboard
Date: Thu, 28 Nov 2002 10:06:40 -0500
Organization: National Research Council of Canada
References: <3DE1426C.4FFE@the-zoo.com> <1VlF9.firstname.lastname@example.org>
Reply-To: "Pat Ford"
NNTP-Posting-Date: 28 Nov 2002 15:06:39 GMT
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
On that car there is a mechanical cable up to the sensor for the speedo. I
worked at a Sub dealership as a mechanic.
"Gary" wrote in message
> My 1984 Subaru Touring Wagon has a digital display for speed and bar graph
> displays for fuel and temp. I thought it was interesting to have a
> speedometer that worked when you were going backward !!
> "Elephant" wrote in message
> > Ed Price wrote:
> > >
> > . An electronic speedo can compensate for all
> > > those variables.
> > >
> > > Once you have a digital axle-turns counter signal, you can then work
> > > an electronic odometer. I am looking for some inspiration in the area
> > > counting, scaling and storing that data. Maybe a microprocessor is the
> > > way to do it. But I have to find a comfortable balance of build / buy
> > > the electronics (just as with the mechanicals, where I certainly don't
> > > intend to machine my own ball bearings). I don't think I want to start
> > > project at the level of coding a Basic Stamp system.
> > >
> > > Although I would really like to have a caution-annunciator panel, I
> > > think I really need any alpha-numeric matrix displays. That simplifies
> > > displays, since I can use multi-segment LED's and discrete LED's.
> > >
> > > Thanks for your thoughts.
> > >
> > > Ed
> > Here's a thought. Don't know if it will fit your needs.
> > Go to a junk yard and look for an '86 Buick Somerset. It
> > had the digital cluster including speedometer, trip od, milage
> > counter and also temp, oil, tach & volts. Also, digital gas
> > gauge. As far as I can tell, all the processors are on the
> > cluster itself, all you'd need to run are wires to the sensors.
> > Just a thought.
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