DIY ECG - 1 op-amp version
This DIY ECG design uses a single op-amp (LM741) and 5 resistors. The circuit outputs to the PC microphone, and custom software written in Python does some filtering and graphs the result in real time! NEW VIDEO WITH BETTER SOFTWARE AND BETTER CIRCUIT: https://www.youtube.com/watch/sP_-f5n... project page: http://www.swharden.com/wp/2016-08-08... githib project: https://github.com/swharden/diyECG-1o...
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