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Tilt Sensor Project

Discussion in 'Sensors and Actuators' started by wfrench, Oct 5, 2012.

  1. wfrench

    wfrench

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    Oct 5, 2012
    I'm trying to design a circuit/product for my degree that checks that an angle is correct. EG. an incline of a slope/ladder etc is correct (say between 25 - 30 degrees) and if it is outside the limit a buzzer goes off. Maybe even have a display to show the angle. I'm trying to do this on a tight budget, i have looked into tilt sensors but the only cheap ones I have seen are the trigger ones with either a ball or tilt switch, is there anything programmable or customizable?

    Does this make sense, I am competent in soldering and know the basics, could someone put me in the right direction, any existing circuits out there?

    Regards,

    Will
     
  2. wfrench

    wfrench

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    Oct 5, 2012
    Do I need to use an accelerometer?
     
  3. Laplace

    Laplace

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    Apr 4, 2010
    Perhaps you need a single-axis inclinometer? http://en.wikipedia.org/wiki/Inclinometer
    Do you need to read an angle or just sense a limit? If it is just to sense a limit then you could hang a half disk from a pivot point. The disk will always hang straight down. Make it from clear plastic, mark the limit with black paint, and sense the limit region with a phototransistor.
     
  4. CDRIVE

    CDRIVE Hauling 10' pipe on a Trek Shift3

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    May 8, 2012
    It would be low tech but a series of mercury switches and logic gates would work.

    Chris
     
  5. wingnut

    wingnut

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    Aug 9, 2012
    As you turn a pot-log the V varies. Attach this to a meter and you get analog measurement of the degree.
     
  6. donkey

    donkey

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    Feb 26, 2011
    define cheap. if you got a wii nunchuck remote it has a tilt sensor in it. they run for bout $10 on ebay. there are a heap of alternatives but that one is the easiest one I know of
     
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