Last Updated on September 1, 2021 by pg@petergamma.org Scott Hardens Sound Card ECG uses an AD8232 breakout board sending the ECG signal through the microphone jack of a computer sound card. Custom software (free and open source, written in C#) graphs the signal in real time and displays heart rate over time. Scott Hardens Sound … Continue reading Scott Hardens Sound Card ECG, Software for Matlab, Python, or other applications?