The Pulse-Fi system is highly accurate, achieving clinical-level heart rate monitoring with ultra low-cost WiFi devices, making it useful for low resource settings. The system works with the person in ...

Sure, a smartwatch can technically monitor your heart rate during workouts. But if you need something more accurate, pick from these five chest straps.

The MAX30105 is an optical sensor capable of a great many things. It can sense particulate matter in the air, or pick up the blinking of an eye. Or, you can use it as a rudimentary way to measure y… ...