Skip to content
Plot ECG signals acquired with a sound card
Branch: master
Clone or download
Latest commit a5ccb41 Mar 18, 2019
Type Name Latest commit message Commit time
Failed to load latest commit information.
demo upload sample ECG Feb 10, 2019
graphics Add files via upload Mar 18, 2019
.gitignore Initial commit Feb 4, 2019
LICENSE Update Mar 18, 2019

Sound Card ECG

The Sound Card ECG program provides a simple interface to view and measure ECG signals obtained through the sound card (using a line-in or microphone jack).

Screenshot YouTube Demonstration
SoundCardECG Demonstration

This is my heartbeat rate as I comfortably used the computer, then took a few minutes to watch a scary video (which elevated my heartrate for a few minutes in the middle).

Download Binary (SoundCardECG.exe)

Click-to-run binaries are provided with each release:


AD8232 ECG Module

My preferred ECG device (and the one I used in the screenshot) is a AD8232 breakout board (SparkFun) feeding the signal directly into the microphone jack of my PC.

DIY ECG with 1 Op-Amp

Those interested in building an ECG circuit from scratch may find my DIY ECG with a Single Op-Amp (an LM-741) project interesting.

Lead Placement

You can’t perform that action at this time.
You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session.