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 ...

[Wolf] had a Polar brand exercise watch that wirelessly monitored a chest strap that sends it heart rate data. It sounds like there’s some way to transfer data from the watch to a computer, b… ...

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 ...

Chest straps and optical heart-rate monitors are the two most common types of pulse trackers available for modern wearables, and they both use similar methods to measure your pulse.

Swimmers and triathletes also use them in tandem with their triathlon watches for the same reason. Our current favourite heart rate monitor is the ever-so-wonderful Garmin HRM Pro Plus.

Hear the pulse: Heart rate monitoring fitness earbuds tested Accuracy can be spotty, but some of these fitness buds are worth checking out.

Choose the best heart rate monitors for your needs & lifestyle. Click here to achieve the best performance and improve your health & stamina!

The Geek Pub guide will help get you started with an Arduino pulse sensor. While sensors like this are reliable, it's worth keeping in mind that your heart rate can tell you a lot of different things.