RE: Sat on a Toilet Sensor ?

["Marcus Warrington" <marcus.warrington@xxxxxxxxxx>]

Yes, I think it would definitely need some form of "magic
box" to make sens=
e of its reading and flick a relay.

=20

At least  this would also allow the setup to have its trigger point 
adjust=
ed etc since I assume I would want quite a "large" differential
i.e. not so=
sensitive, but its would be difficult to know for sure until everything wa=
s in installed. I'm also unsure of just how sensitive these units are..=20

=20

The toilet itself is held on the wall by two bolts that are connected to a
=
steel frame behind the panel. This frame is in turn bolted to the brick
wal=
l behind. It might be easier/better if this gauge was blued to this frame ?

=20

Anyway I'm glad the spec's made some sense to you... its all
gobble-de-gook=
to me..  do you fancy having a play with one.. I could order one and have =
it delivered direct to you :-) If things looked feasible we could then
disc=
uss "a private commission" :-)

=20

Regards

=20

Marcus=20

________________________________

From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of i=
an.bird@xxxxxxx
Sent: 13 July 2007 14:17
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Sat on a Toilet Sensor ?

=20

I like the idea of the RS unit but it 'outputs' a differential
resistance=20
i.e. it changes with the strain (unless I miss read it in my haste).
This=20
means that it will require the usual micro somewhere in the middle to make=
=20
sense of the readings. It would give you the opportunity of saying 'my=20
toilets crashed' as you suffocate rather than just the usual server or
PC=20
gone west ;-)

Mind you, watching one of those 'you are what you eat' type of programs
a=20
while back they imply you can solve all your problems by avoiding the=20
Indian, Mexican etc. etc. plus lots of roughage. Not exactly HA though=20
(and probably not as enjoyable either).

Ian

"Marcus Warrington" <marcus.warrington@xxxxxxx <mailto:marcus.warrington=
%40mis-es.com> >=20
Sent by: ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>=20
13/07/2007 13:12
Please respond to
ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>=20

To
<ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>
>
cc

Subject
RE: [ukha_d] Sat on a Toilet Sensor ?

I tend to agree with you Ian.. that's why I think something like a
strain=20
gauge or load cell is a better solution, since its not connected to the=20
toilet itself, can be completely invisible and only activate upon
sitting=20
(well I suppose you could stand on the toilet).

Looking in RS (www.rswww.com <http://www.rswww.com/ <http://www.rswww.com/>=
> ) part number 632-124=20
is a "Mild Steel foil strain gauage, 2mm gauage" cost =A35.09
each

Since the toilet is wall mounted with bolts through a 18mm MDF panel,=20
wonder if one of these mounted on the wooden panel would detect any slight=
=20
deflection of the panel when someone sat on the toilet ?

Marcus=20


[Non-text portions of this message have been removed]

=20



[Non-text portions of this message have been removed]