Heart-Sound sensor

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This Heart Sound sensor integrated micro-sound components which is made from new polymer materials, can output low-impedance audio signal. Using modular design, PCB plug-way closed. It can be widely used in various types of acquisition equipment, such as heart sound signal acquisition, fetal-audio signal acquisition, as well as other surface-tone signal acquisition.

Model: SEN42771M


Application Ideas


The warnings and wrong operations possible cause dangerous.


It is the schematic, the circuit about Eagle resource like .pdf should linked here in order to avoid memory exhausted.


Key specification

Output waveform

The output waveform tested is shown below.

It varies from person to person.

Pin definition and Rating

Mechanic Dimensions


Bill of Materials (BOM) /parts list

All the components used to produce the product.


Please list your question here: How to use this component?How to get data use iPhone's SDK? Can you have some sample code that demo this component with Object C on MAC OS?


If you have questions or other better design ideas, you can go to our forum or wish to discuss.

Version Tracker

Bug Tracker

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Additional Idea

The Additional Idea is the place to write your project ideas about this product, or other usages you've found. Or you can write them on Projects page.


How to buy

Click here to buy Heart Sound Sensor on SEEED bazzar: http://www.seeedstudio.com/depot/heart-sound-sensor-p-833.html?cPath=144_148&zenid=cee0a25bbc9ba561a121caf3e07d17a3

See Also

Other related products and resources.


This documentation is licensed under the Creative Commons Attribution-ShareAlike License 3.0 Source code and libraries are licensed under GPL/LGPL, see source code files for details.

External Links

Links to external webpages which provide more application ideas, documents/datasheet or software libraries

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