Hi Marco,
I want a copy as well, thanks a lot!
John

>Marco:
>Would you mind sending me the scanned circuit too?
>I am thinking of automating the drip irrigation system I currently have.
>Thanks for your time and effort.
>Madhu
>mailto: madhu.annapragada@home.com
>
>Re: [PIC]:Wetness sensor
>
>
> > Ghadirian,
> > I have only little experience in electronics (only PIC beginner),
>however
>I
> > remeber a little circuit for gardening in a my old hobby electronics
> > magazine. If I remember right, his "heart" is a CD4060 with other few
> > components, it's really cheap. The output are a led and/or  a buzzer and
>the
> > time delay for the moisture measure is regulated with a trimmer. Battery
> > life is very long too (months).
> > The probe are simple little inox sticks and are controlled with AC
>current
> > to prevent electrodes polarization.
> > NB: this sensor is stand-alone. If you want interface it with PIC, you
>must
> > modify the circuit, probably.
> >
> > If you like, I can scan the circuit image and send to you by e-mail.
> >
> > Bye
> > Marco
>
> >
>
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>
>


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