Subject:
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Re: super cheap tilt sensor?
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 23 May 2002 12:27:00 GMT
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Original-From:
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PeterBalch <PETERBALCH@spamlessCOMPUSERVE.COM>
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Viewed:
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647 times
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Luke
> I once tried to build a two wheeled robot (like a motorcycle) that would
> balance by steering (just like a bike) - but I never did get a tilt • sensor
> that was fast enough to stop it toppling over without also generating • wild
> overshoots and basically random swinging.
Ideally, you'd use accelerometer chips like the ADXL202 from Analog
Devices.
http://www.analog.com/industry/iMEMS/products/ADXL202.html
But a U-tube (like a manometer) filled with salt-water and a couple of
electrodes should work. You could adjust the rate of "slopping" by varying
the diameter of the tube.
Peter
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