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Thread: Simple Lie Detector

  1. #121
    guru_nikhil Newbie
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    Thats Fantastic


  2. #122
    Roff Excellent Roff Excellent Roff Excellent Roff Excellent Roff Excellent Roff Excellent Roff Excellent Roff Excellent Roff Excellent Roff Excellent
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    Quote Originally Posted by guru_nikhil View Post
    Thats Fantastic
    Beauty is in the eye of the beholder...
    Ron


  3. #123
    paulbs Newbie
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    nice post thanks

  4. #124
    baswaraj Newbie
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    thanksssssssss

  5. #125
    rlp007 Newbie
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    Smile

    Thanks Buddy

  6. #126
    vterminater Newbie
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    hey can i use a multimeter instead of the analog meter shown...? i have already built it but it doesnot work..

  7. #127
    audioguru Excellent audioguru Excellent audioguru Excellent audioguru Excellent audioguru Excellent audioguru Excellent audioguru Excellent audioguru Excellent audioguru Excellent audioguru Excellent
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    The circuit is just a simple ohm-meter. Use a multimeter set to volts or mA as its display.
    A multimeter has a better ohm-meter. Then you don't need this simple circuit.
    Uncle $crooge

  8. #128
    MALLI Newbie
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    should i arrange disply to this simple detector

  9. #129
    lei-mex Newbie
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    curious ako...pwede ba gumamit ng sensor sa simple lie detector?...tnx

  10. #130
    MALLI Newbie
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    i think if u arrange colour display through cell display

  11. #131
    medsol Newbie
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    please tell me what's if aperson is more static charged person.

  12. #132
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    Quote Originally Posted by medsol View Post
    please tell me what's if aperson is more static charged person.
    A person is not static charged. But if the air is dry, the person is insulated from ground and combs his very dry hair or removes a very dry sweater then he can become static charged until he touches something that is grounded.

    I had some shoes with synthetic (plastic) soles. At work the carpet was synthetic (plastic). My shoes and the carpet were very good insulators and in winter the air was very dry. When I shuffled my shoes on the carpet as I walked I developed a very high static voltage and I zapped anybody who came near me. A long spark jumped from my finger and the telephone system would reset. I got leather soled shoes and the static stopped.
    Uncle $crooge

  13. #133
    wagamama Newbie
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    Default Simple lie dectector

    I got a project on this and we are to write a 2 to 3 pages of report explaining How does this relate in the theory of physics.

  14. #134
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    Quote Originally Posted by wagamama View Post
    I got a project on this and we are to write a 2 to 3 pages of report explaining How does this relate in the theory of physics.
    We talk about electronic circuits here, not physics.

    The lie detector circuit is a simple ohm-meter. Some people (not everybody) sweat when they say a lie. The sweat reduces their skin's resistance and the ohm-meter shows it.
    Then add 2 more pages of blah, blah, blah etc.

    Look at Lie Detector in Google. There are many other things to sense plus a lot of experience reading them to guess that a person is saying a lie.
    Uncle $crooge

  15. #135
    maxpuck Newbie
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    Default Parts in the Lie Detector

    How does each piece contribute to the Lie Detector? Please write in detail.

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