© 2020 Nicole Gonzalez.

ELECTROCARDIOGRAM

As part of my Electronic Circuit Design, Analysis, and Implementation class sophomore year at Princeton, I worked with a partner to design, build, and analyze a basic electrocardiogram consisting of an instrumentation amplifier, variable-gain amplifier, band-pass filter, notch filter, and display circuit.  We successfully measured the cardiac signals coming from a human heart and outputted a clean electrical signal.  We then implemented a Song-filter switching circuit and LED heart array controlled by an Arduino board to visualize the cardiac wave.

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