Last Updated on June 18, 2026 by pg@petergamma.org These are the components I would choose as a physiologist from Switzerland who is not an electronics engineer but has studied how to build for many years a low-cost high-quality physiological multi-sensor devices. These physiological multi-sensor devices are usually very expensive, but not the electronic components I … Continue reading Commentary on “How To Build Your Own 3 Channel Gold Standard ECG Device with a Spirometer Using an AD8232, ADS1115 & Arduino”