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DIY ECG at Home

Medgadget shared an interesting project about a home-built ECG system.

Although several DIY ECG guides exist on the internet, this one focuses on minimizing the part count and cost by performing noise reduction (normally handled by complicated analog circuitry) digitally with your computer. The device hooks up to your chest (using pennies as electrodes) and outputs to the microphone jack of your computer sound card so it can be recorded with free audio software. In addition to a description of how to build and use the DIY ECG, this guide also provides the code needed to perform complicated long-term heart rate and heart rate variability analysis to assess neurological control over cardiac function!

3 Comments Post a comment
  1. Lisa #

    Wow… Do you know how to build an ECG without the machine that you used.???

    December 16, 2009

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  1. Best ECG Mobile Solution Ever « ScienceRoll

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