cos i still not sure for it circuit.. so any1 can helping me?akg said:read the first posthaka said:someone can telling me how does it work? cos i not so clear about it working.. hehe..
can use msn chat with me?
[email protected]
thx...
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cos i still not sure for it circuit.. so any1 can helping me?akg said:read the first posthaka said:someone can telling me how does it work? cos i not so clear about it working.. hehe..
can use msn chat with me?
[email protected]
thx...
it just measures/ shows the variation in the skin resistance(aka galvanic skin resistance) .when we lie , biological changes occur in our causes perspiration , so that the skin resistance goes low .haka said:cos i still not sure for it circuit.. so any1 can helping me?
Yes. It needs to be insulated except where connections are made.Elektrohead said:Hi all, Noob here, just wondering if you can tell me what size wire I need to use?
I have some 30awg solid, will this work? Thanks
ElectroMaster said:Here's a simple lie detector that can be built in a few minutes, but can be incredibly useful when you want to know if someone is really telling you the truth. It is not as sophisticated as the ones the professionals use, but it works. It works by measuring skin resistance, which goes down when you lie.
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rishirajarora said:hi.i hav made this project but i hav used power transistor BD115 instead of 2N3565.Can u tell me whether it is ok or not and if not please tell me the transistor as 2N3565 is not available in the market
The electrodes are the parts of the circuit that touches your skin for the circuit to measure the resistance.coolboy8505 said:Sry, can anyone tell what is Electrodes?
I posted a single-supply version on page 2 of this thread that is identical in function. Here it is again.LeeMorgan said:Hi everyone -
Just wanted to know why exactly there are two power supplies in the lie detector circuit as opposed to one - what is the function in relation to how this circuit works?
Thanks!
LM