Andy,
If you get a simple unit up and running, could you make a schematic then
make it available as an image file attachment for the rest of us?
Charlie B.
>
> I've been following this thread keenly as I posted similar questions some
> months ago.
> One of the kind listers provided me with a spare sensor and I'm almost ready
>to
> get it all hooked up.
> I've come across a bar-graph display with an integral driver circuit for about
> £10.
> Just hook up with two resistors to set the range and you have a 0-1V dot or
> bargraph LED display. It's small and easy to use.
> I'll let the list know how it functions. If you're worried about the dot
> oscillating then a simple R-C filter on the input line should smooth the
> fluctuations.
>
> One further note - literature says that the sensor appears to last only for a
> short time with leaded fuel! ie approximately 2-3 hours before contamination
> wrecks it.
> So, for UK owners like me who always use leaded fuel we're stuffed!
> My solution to the problem is to add the heated sensor to a tailpipe extender
> and only use it for checking the tuning of the car from time to time. Another
> advantage is that you can use one sensor to check all your cars and your
> friends cars too!!
> Can anybody confirm this problem with leaded fuel?
> thanks
> Andy
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