DIY-WB pc boards - (explanation)

[Wing Gee]

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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