DIY-WB pc boards - (explanation)

[rr]

There are several ways:

    data log (no display required)
    DVM (quick & easy)
    LED bar graph (see incoming)
    LCD digital AFR (a work in progress)

BobR.

Wing Gee wrote:

> so what is giving me the display of the AF? is there a seperate box that
> hooks up to it for LED's or a LCD display?
>
> Thanks alot!
> Wing
> ----- Original Message -----
> From: <A79coupe at aol.com>
> To: <diy_efi at diy-efi.org>
> Sent: Wednesday, October 17, 2001 3:08 PM
> Subject: Re: DIY-WB pc boards - (explanation)
>
> > The board includes the circuit required to drive the Heater and the ion
> pump.
> >  This is not your run of the mill O2 sensor.  It is designed to accurately
> > show AF ratios from 10:1 all the way to clean air.  This is in stark
> contrast
> > to standard O2 sensors which are only accurate in a narrow band around
> 14.7:1.
> >
> > The purpose of a WB O2 is to use as a tuning aid.  i.e. to be able to know
> > where your A/F ratio is under various conditions such as WOT, or cruise.
> >
> > In a message dated 10/17/2001 4:41:40 PM EST, winggee at hotmail.com writes:
> >
> > << i'm new here.
> >
> >  after reading the page. so what exactly does this board do? from what i
> >  know. an O2 just sends out voltage. what does the board do with the
> voltage?
> >
> >  Thanks
> >  Wing
>

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