How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, ...

Internally his heart rate monitor is using an Arduino Pro Mini, a small OLED screen, and a turn-key pulse sensor which was originally conceived as a Kickstarter in 2011 by “World Famous ...

If you would prefer to build your very own DIY heart rate monitor, rather than purchase an expensive smartwatch or fitness tracker. You may be interested in a project published to the Hackster.io ...

How wearable heart-rate monitors work, and which is best for you The choice between chest straps and optical monitors is more complex than it seems.

Tracking heart rate is a huge feature of Fitbit’s smartwatches and fitness trackers – and drives the data we demand from our wearables. But how does Fitbit track heart rate, what features does ...

We tapped two experts to break down how a heart rate monitor works—and who should invest in one.