How to build a medical and research grade ECG, PPG, EEG, etc. device for heart rate, respiration rate etc. yourself

Last Updated on January 10, 2023 by pg@petergamma.org – Take the Scott Harden Sound Card ECG: – replace the sound card by a 16 bit or higher A/D converter – connect it to an ESP 32 according to this instruction: – Scotts device is the most advanced since he is an experienced scientist writing papers: … Continue reading How to build a medical and research grade ECG, PPG, EEG, etc. device for heart rate, respiration rate etc. yourself