This simple circuit enables you to listen to your heartbeat, for instance, while you are exercising. The transducer used for detecting the pulse is an electret microphone, X1 in the diagram. The model ...

Before you decide to click away, thinking we’re talking about some heart rate monitor that connects to a display using WiFi, wait! Pulse-Fi is a system that monitors heart rate using the WiFi signal ...

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 your ...

Wearable devices like smartwatches and fitness trackers have revolutionized the way we monitor our health. Worn around the ...

Your next heart-rate monitor may not be a smartwatch at all. Google's latest research hints at a surprisingly simple ...

The Garmin HRM-Fit is a heart rate monitor made for women, or at least anyone who would wear a sports bra while exercising. Where other heart rate monitor straps use an elastic band and a metal popper ...

In addition to monitoring heart rate, these smartwatches can also monitor blood oxygen levels, sleep quality and stress.

I am a marathon runner, and I routinely mention this not (just) to prove that those memes about runners always talking about running are absolutely correct: We do. I do it because I've gotten there by ...

If your Fitbit Charge 6 is giving you heart rate readings that are clearly wrong — showing 85 BPM during a HIIT workout when you’re gasping for air, spiking to 200 BPM while you’re sitting on the ...

Your heart rate can tell you more about your workout than speed, distance, or calories burned.