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>Reply-To: basicstamps@egroups.com
>To: basicstamps@egroups.com
>Subject: [noparse][[/noparse]basicstamps] Re: Water tank meter
>Date: Fri, 13 Oct 2000 21:04:20 -0000
>
>Here's more data.
>
>I forgot to mention that direct pressure will yield
>tank pressure. If the pressure sensor is in the tank,
>so it's surrounded by tank pressure, then it will report
>water level pressure.
>
>1 PSI = 27.72 inches of water. The transducer would need to be
>in an atmosphere with equivalent pressure to the air in the
>top of the tank so that tank pressure is not measured.
>Kind of like a water level sight on a steam iron.
>
>Pressure sensors of low pressure can get expensive so
>there are be cheaper ways.
>
>You could use a sonic distance sensor to measure
>how close the level is to the top of the tank.
>
>Another alternative is to use a glass tube that is connected
>to the top and bottom of the tank so water in the tube will
>be equal to tank water level. Then put in a float that will
>block the light or beam, then use some type of IR or
>sonic or LED or even hall effect to indicate when the
>water pushes your float above a certain level.
>
>
>
>
>--- In basicstamps@egroups.com, davemucha@j... wrote:
> > Water pressure. One atsmosphere is somewhere around 14.7 psi and
> > that is very roughly equalavent to 34 feet of water. I rember this
> > from my old SCBUA classes 20 years ago. So is you put a 15 PSI
> > transducer below your tank, you can calibrate for level.
> >
> > If I remember correctly it is not linear, but like I said, 20
> > years.....
> >
> > Dave
> >
> >
> > --- In basicstamps@egroups.com, "Mindz Development House"
> > <mindz@a...> wrote:
> > > I have two 500 gallon water tanks as the main water supply source
> > for a
> > > house. I'm trying to build a level meter using a Stamp. My
>major
> > hurdle is
> > > how to determine the water level in the tank electronically
>(without
> > > mechanical floats). Does anyone out there have any practical
>ideas?
> > > Thanks
> > >
> > > Ebow
>
>
>
>
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Thanks
Eric
Original Message
From: Russell Bodnyk III [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=FTS7bKAx_0J5cBbGD20UVmb_WQYepuv3_N0P9OU87iSwuJOrlFT4ioAcfPMDzCO4UvBDsqsXWFnpmnDX7Wgw6_lY]r.bodnyk@m...[/url
Sent: Tuesday, October 17, 2000 12:12 PM
To: basicstamps@egroups.com
Subject: [noparse][[/noparse]basicstamps] UNSUSCRIBE
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Eric Schettler wrote:
> I set up a template for this to reply whenever people send a message here to
> unSUBscribe, but if you can't spell it right, my computer doesn't know to
> reply!
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> In order to unsubscribe, please send an E-mail to:
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> Thanks
> Eric
>
>
Original Message
> From: Russell Bodnyk III [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=33E8HrZj7qY1IHa-i268StkJNWn26E0oc882YPinS31k-HaM6QqyCp5nvCLwGCBipNbnlM1BWmcWBunJ0xM]r.bodnyk@m...[/url
> Sent: Tuesday, October 17, 2000 12:12 PM
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> Subject: [noparse][[/noparse]basicstamps] UNSUSCRIBE
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=====
Alberto Zamora Estrada.
Phone: (506) 220-8279.
Cell: (506) 372-7184.
Fax: (506) 220-8684
Investigaci
>Reply-To: basicstamps@egroups.com
>To: basicstamps@egroups.com
>Subject: Re: [noparse][[/noparse]basicstamps] UNSUSCRIBE
>Date: Tue, 24 Oct 2000 20:30:54 GMT
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>Reply-To: basicstamps@egroups.com
>To: basicstamps@egroups.com
>Subject: Re: [noparse][[/noparse]basicstamps] UNSUSCRIBE
>Date: Mon, 30 Oct 2000 08:13:41 +0800
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>Subject: Re: [noparse][[/noparse]basicstamps] UNSUSCRIBE
>Date: Fri, 27 Oct 2000 17:04:11 -0600
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after putting it together I had no idea where to
attach the 9 volt power suppply. I mean exactly what
it is labeled on the pcb. Thank you.
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