hello........ i tried the circuit diagram for the electronic stethoscope and its working too. the only problem which i am facing is , it is not sensitive enough to detect the heart pulse. only when i tap the stethoscope its sound can be heard in loudspeaker , but it is not able to detect the heart beat. how to increase its sensitivity?
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Audioguru's Electronic Stethoscope Help
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hello........
i tried the circuit diagram for the electronic stethoscope and its working too. the only problem which i am facing is , it is not sensitive enough to detect the heart pulse. only when i tap the stethoscope its sound can be heard in loudspeaker , but it is not able to detect the heart beat. how to increase its sensitivity?
anyone pls reply me...