PPG watches for fun and in our spare time, ECG and finger plethysmograph for clinical and research applications?

Peter H. Charlton is an expert for respiratory rate estimation, which can also be used in the hospital. We saw papers, which use for this purpose for instance iWorx TA 220 ECG recorders. Peter H. Charlton tested as far as we know also HeartPy, but not yet for clinical applications. Peter Charlton is a Biomedical …