[Diy_efi] Interceptor/ECU progress

[Steven P. Donegan]

Well, send me your physical address and I'll send the boards I've had
fab'd to date :-)

On Sun, 2007-03-11 at 09:57 -0700, Adam Wade wrote:
> --- "Steven P. Donegan" <steve at donegan.org> wrote:
> 
> > As usual (being an Engineer) I have kept looking for
> > the 'ideal' components for the ECU design - the
> > Interceptor job is simpler so it's not quite as
> > 'critical'.
> 
> I got my GM MAF the other day, so I am ready to start
> data logging when the boards are ready.  Shoot me an
> email when you have one ready to go.  :)  I can get
> you details on the pinout and use of the various bits
> inside the flapper if that'll help, too.  Can we find
> a way to get the box to burn off the junk on the hot
> wire MAF after key-off?  I think that all hot wire
> MAFs from the past 10 years or so have that feature
> built in to the ECU, and it would be helpful if we
> could handle that with the MCU.  I'm really jazzed
> about the flapper replacement project, and am eager to
> start data logging.  :D
> 
> > it has most of what I would ideally like to have -
> > so this week I believe I will attempt to design my
> > first surface mount circuit board using 3 of these
> > chips.
> 
> Cool.  :D  I am really digging the amount of
> processing power and ADC channels we can fit into a
> small space without it costing an arm and a leg. 
> Maybe eventually I can start working on some runtime
> code to allow the ECU to work like current-gen OE
> units; they actually have a mathematical model of the
> engine and its behavior, and fuel based on what the
> model outputs.  Seems to give much finer control over
> power and emissions, and it would be incredibly cool
> to be able to play around with that stuff without
> having to work for a university or a Tier 1.  :D
> 
> | Kawasaki Zephyr 615 (Daphne)       Kawasaki Zephyr 550 (Velma)|
> | "It was like an emergency ward after a great catastrophe; it  |
> |   didn't matter what race or class the victims belonged to.   |
> |  They were all given the same miracle drug, which was coffee. |
> |   The catastrophe in this case, of course, was that the sun   |
> |     had come up again."                    -Kurt Vonnegut     |
> | M/C Fuel Inj. Hndbk. @ Amazon.com -  http://tinyurl.com/6o3ze |
> 
> 
>  
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