Re: Bathroom :Auto Filling Bath ? & TV's ?

["Marcus Warrington" <marcusw@xxxxxxx>]

"Mark Marooth" <MMarooth@xxxxxxx> wrote
>
> A while ago a pal of mine did just something similar.  He put the
valves
on his
> existing tap pipes so that he could use a preset mixer (Electronic -
Very
> envious was I) and a button which was connected to HV.  Pressing
button
turned
> on valves, pressing again turned off.
>
> HV then controlled the valves.  He took a tee from one of jacuzzi
jets and
> coupled this to a untrasonic pressure transducer which produced an
analogue
> voltage output.  This was again wired back to HV and when the
transducer
> produced the correct voltage HV turned off the valves as the
correct
volume of
> water was in the bath.
>
> Took a while to callibrate but after that never failed.  When he
was game
enough
> he left the taps turned on and set up a timed event in HV to fill his
bath
in
> the morning.
>
> I'm sure he got the transducer from RS and it was not that
expensive.

Gee.. and there was me thinking I'd had an original idea :0

So he was using the Jets to measure water pressure rather than fill the
bath. How did he get the water into the bath .. ?

When you say "he got the transducer from RS" I assume you mean
RadioShack ?

Marcus Warrington
marcusw@xxxxxxx MIS Computer Services (UK)

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