Archive for July, 2008
2008 July circuits - related electronic projects and circuit diagrams (schematics), this helps you finding desired informations and facilitates your site navigation through all articles database.
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Cardiophone Circuit
Jul 23rd
The human heartbeat can be made audible by using this cardiophone circuit. It is basically an audio circuit coupled to a probe made specially for the purpose of picking up electric signal from the human heart. To get the best signal, place the probe’s electrodes to a point close to the heart. The preferred point is just below the left breast with negative electrode pointing the the left of the sternum. (more…)

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