[V8] heads up radios

[David Head]

A cool bitmap of O2 sensor output would suit me fine...

dsaad at icehouse.net wrote:

> I am almost certain it is a bitmap.
> I have actually made a 68hc11 micro-controller project for another purpose that
> would work fine for this. For the boost sensor you can use either a Ford style
> MAP sensor - it has a frequency output, or a GM MAP sensor which has a voltage
> output. Either one is pretty easy to use.
> Another possible fun idea would be to make a sort of VAG-COM device that could
> be used to either do the usual code readouts or better yet, monitor real time
> control info - like injector or EGO pulse width, timing advance, etc. The ECU
> has a few channels for this sort of thing.
>
> Dave
>
> Quoting "Buchholz, Steven" <Steven.Buchholz at kla-tencor.com>:
>
> > > To the right person, it would be fairly easy to make a
> > > micro-controller device
> > > that could put whatever you want on that display. Anything
> > > from turbo boost
> > > pressure to stock ticker quotes. I looked into the control
> > > lines and as I
> > > recall there is only a clock and a data line. It would be a
> > > fun project - but
> > > for me it is WAY down at the bottom of the list.
> > >
> > ... I'd love to have a turbo boost gauge on my car ... where can I get
> > one?
> > ;-)  ;-)  ;-)
> >
> > Yes, it should be a very simple thing to do ... all that you need to do
> > is
> > to figure out the interface specification.  I am sure it is an
> > asynchronous
> > serial connection ... the thing that needs to be determined is whether
> > it is
> > a bitmapped interface (i.e. the deck actually sends the image to be
> > displayed) or the display does some decoding of characters.  From
> > watching
> > the thing I've come to suspect that the deck is sending a bitmap ...
> > which
> > would be preferrable for making an arbitrary display ... but it may
> > indeed
> > be sending the characters to be displayed over the interface.
> >
> > Steve Buchholz
> > San Jose, CA (USA)
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