Last Updated on April 20, 2024 by pg@petergamma.org
Pyloton:
Rob ter Horst’s 100 smartwatches:
If Rob ter Horst would build an Adafruit Pyloton, whould he not have the scientific tool which is helpful to show that only view scientists use PPG HRMs?:
https://petergamma.org/category/optical-heart-rate-sensor
Scince scientists at the highest level use preferentially 3 channel ECG devices: