Re: BIK Sensor - who is interested?

[Kenneth Watt <kennethwatt@xxxxxxx>]

Ian,

Thanks for the kind offer of having some boards made,
I would definetly be interested in some of them.

You might have let yourself in for more than you
bargained for though :o)

Thanks again.

K.

--- Ian B <I.Bird@xxxxxxx> wrote: > The testing I
have done so far has revealed:
>
> 1) Your house earth has to be good as this is used
> as a reference when the
> unit operates. (Ian's task number one - bury a large
> lump of stainless
> somewhere and connect it to the house earth. In the
> short term I am watering
> my earth stake!!! Wifey thinks I am mad).
>
> 2) They are easier to set up and more accurate if
> you cover smaller areas. A
> large room would need more than one sensor - cool
> for location sensing.
>
> 3) You can have more than one overlapping as the
> aerial length determines
> the frequency (or something like that). Alter the
> aerial length slightly and
> there is no interferencebetween sensors.
>
> 4) They only detect presence within the aerials.
> When testing on the kitchen
> table I could virtually touch the aerial from
> outside with no effect. Move
> in between the wires and instant detection.
>
> 5) They detect in a sort of bubble shape between the
> two aerials. It would
> detect my hand quite high above the kitchen table
> (read test bench) but
> lower as I got nearer the aerials themselves.
>
> 6) They detect presence in one of two ways which
> means you can detect
> someone touching the ground or lying on the sofa but
> not both with the same
> detector. You would need two, one for each activity.
>
> There is loads more info on the above points in the
> Bik documentation.
>
> Having looked at the board I made I would like to
> get all the components
> together before finalising anything. I suspect it
> would be worth my while to
> recreate this circuit in my design package and then
> reproduce the boards. It
> may even be worth getting a batch made 'properly' if
> there is enough
> interest.
>
> Personally I like them so, send me a note if you're
> interested and I will
> work with everyone to get some made.
>
> Ian
>
> -----Original Message-----
> From: Phillip Harris
> [mailto:phillip.harris1@xxxxxxx]
> Sent: 25 March 2001 16:14
> To: I.Bird@xxxxxxx
> Subject: RE: [ukha_d] BIK Sensor
>
>
>
> Could you possibly run up a board for me too? Let me
> know what I owe you for
> doing so if you can. Have you have problems sourcing
> any components?
> Occupancy sensing is proving to be a nightmare
> challenge!
>
> I know you said you had one of these already ... how
> good are they for
> sensing within a room? Do they have blind spots? Are
> they affected by
> movement in other rooms (given that they're RF I
> believe).
>
> > -----Original Message-----
> > From: Ian B [mailto:I.Bird@xxxxxxx]
> > Sent: 25 March 2001 14:33
> > To: ukha_d@xxxxxxx
> > Subject: RE: [ukha_d] BIK Sensor
> >
> >
> > In the process of making on now. I'll report back
> when it is
> > done. I am not
> > planning to assemble it, just make the board. I
> will send it off to Stuart
> > Grimshaw for the pleasure of building it.
> >
> > I have no doubt we will post details of how it
> went laeter.
> >
> > Kenneth: if you would like one of them then let me
> know and I
> > will make one
> > for you. The more the merrier...........
> >
> > Ian
> >
> > -----Original Message-----
> > From: Kenneth Watt
> [mailto:kennethwatt@xxxxxxx]
> > Sent: 25 March 2001 10:32
> > To: UKHA
> > Subject: [ukha_d] BIK Sensor
> >
> >
> > If anyone is having boards printed for this sensor
> please let me know.
> >
> > Ta
> >
> > Kenneth
> >
> >
> >
> >
> >
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> >
> >
> >
> >
> >
> >
> >
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> >
>
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> ATTACHMENT part 2 image/jpeg name=Bik web1.jpg



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