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Tilt Switch

The measurement has to be differential to be any accurate.

There are similar non-contact tilt sensors using a capsule filled with magnetic liquid inside LVDT-like coil.

Liquid tilt sensors can be pretty accurate, but their problem is that vibration or rotation kills the measurement.

There are also inclinometers based on the thermal convection of a gas or a liquid inside. They get the inclination from the temperature gradients along the flow.

Vladimir Vassilevsky DSP and Mixed Signal Design Consultant

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Vladimir Vassilevsky
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both

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That's easy.

You just posted a link instead of a part number.
Reply to
John Fields

Like the bubble of a spirit level, except that it uses gas and thermal sensors along the length? Id bet that the tube would be bent in an arc.

Reply to
TheGlimmerMan

That is how a pinball "slam switch" works. The force direction no longer matters at that point.

That tilt switch is a slightly different animal.

Reply to
TheGlimmerMan

I can level a whole backyard using only a garden hose ;-) ...Jim Thompson

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| James E.Thompson, CTO                            |    mens     |
| Analog Innovations, Inc.                         |     et      |
| Analog/Mixed-Signal ASIC's and Discrete Systems  |    manus    |
| Phoenix, Arizona  85048    Skype: Contacts Only  |             |
| Voice:(480)460-2350  Fax: Available upon request |  Brass Rat  |
| E-mail Icon at http://www.analog-innovations.com |    1962     |

               I can see November from my house :-)
Reply to
Jim Thompson

So could the Egyptians. You're only about 5000 years into obsolescence this time.

Reply to
The Great Attractor

r
s

=A0 =A0...Jim Thompson

ence

Um..? Who do you think they got the idea from? :)

Reply to
mpm

It's difficult to move much dirt with a garden hose.

Reply to
krw

Chuckle... Actually, the question would be, just whom do *you* think they learned it from? It wasn't JT, that's for sure.

And, are you sure about your choice?

I think they did it on their own. So all you "Alien" dopes can go on speculating.

They did irrigation for their crops. I think they can grasp what "level" is when pools of water are involved. I'd bet they knew it a couple thousand years before they started building Pyramids too.

All of their construction was pretty tight. Stone builders in the Mnts. of Peru were something else... altogether, however. They cut stone in ways that would pose problems for us to match to this day.

Reply to
The Great Attractor

So, you've never used a water level?

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Politicians should only get paid if the budget is balanced, and there is
enough left over to pay them.
Reply to
Michael A. Terrell

Sure, but I've always had to use a shovel too.

Reply to
krw

Wimp! Try it where you need a pick.

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Politicians should only get paid if the budget is balanced, and there is
enough left over to pay them.
Reply to
Michael A. Terrell

I'm the wimp and you were going to use a garden hose!

Reply to
krw

or

gradients

Yawn. The garden hose is part of the water level. The newer version uses a small, clear vinyl tubing that pushes onto a barb on the base of each level. One mistake a lot of people make is not making sure the entire level is either in the sdhade, or in the hot sun.

The pick is to break up rock that you can't move with a shovel which has been every place but one, when I needed a water level.

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Politicians should only get paid if the budget is balanced, and there is
enough left over to pay them.
Reply to
Michael A. Terrell

? ? ?...Jim Thompson

obsolescence

You have no idea how OLD Jim is.

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Reply to
Michael Robinson

You have no idea how old I am.

Tzu

Reply to
My Name Is Tzu How Do You Do

Now, now! Just because Jim taught Ohm's law to Tesla... ;-)

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Politicians should only get paid if the budget is balanced, and there is
enough left over to pay them.
Reply to
Michael A. Terrell

Where is this signal going? If its the digital world, there are a number of tilt sensors integrated with A/D functions and digital I/O that will plug into a uC. All signal conditioning already done for you.

--
Paul Hovnanian  paul@hovnanian.com
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Have gnu, will travel.
Reply to
Paul Hovnanian P.E.

Looks like Patty ignores all the suggestions here for a simple debounce. ...Jim Thompson

--
| James E.Thompson, CTO                            |    mens     |
| Analog Innovations, Inc.                         |     et      |
| Analog/Mixed-Signal ASIC's and Discrete Systems  |    manus    |
| Phoenix, Arizona  85048    Skype: Contacts Only  |             |
| Voice:(480)460-2350  Fax: Available upon request |  Brass Rat  |
| E-mail Icon at http://www.analog-innovations.com |    1962     |

               I can see November from my house :-)
Reply to
Jim Thompson

Looks like Patty posted and ran.

The story of my life. :-/

--
Paul Hovnanian     mailto:Paul@Hovnanian.com
------------------------------------------------------------------
David Bradley (IBM programmer who created the Ctrl-Alt-Del reboot
keyboard sequence), "I may have invented it, but Bill made it famous."
Reply to
Paul Hovnanian P.E.

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