Digital dash

[Charles Morgan]

Matt, I noticed in the new Summit catalog (pg 274) the "Intellitronix
Create-A-Dash Digital Gauge Kit".  It's listed at $399.95, but includes 6
gauges, all senders except for the fuel gauge, and a sheet of smoked
acrylic to mount the gauges.  The tach and speedo are 3-3/8" and the
voltmeter, oil pressure, fuel level, and water temp gauges are 2-1/16".
Two of the small gauges are 3-digit (water temp and  voltmeter) and the
other two are 2-digit.  By the time you're done designing your own gauges,
ordering the parts, building the printed circuit boards, etc., $400 might
look cheap.  

Charlie Morgan


At 10:02 AM 4/25/00 -0400, Matt Cramer wrote:
>	I've been thinking about building a digital dash for my Dart.  While I
>could put together a circuit on my own that does LED bargraph readouts
>without too much trouble, a three digit digital readout would be more
>accurate.  Yesterday I decided to see if I could find any sites on the
>Internet that might list what kind of IC's might be helpful in such a
>circuit.  I got as far as figuring out that I could use some kind of off
>the shelf 8-bit ADC, but is there some kind of chip that will take the
>output from an ADC and use it to control a (preferably three digit) LED
>display?  If so, what's it called, and who makes it?
>	This would be enough for me to put together a digital temperature gauge,
>fuel gauge, or similar gauge, but I'm also wondering about tachometers and
>speedometers, as a digital tach would be a nice addition.  Is there some
>kind of IC that will accept the kind of signal I can get from the
>distributor as an input, and return a value that corresponds to its
>frequency, or something else I could use for this?

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