Arduino Heart Rate Monitor. 6 Comments . by: Mike Szczys. September 25, 2011. Title: ... [Wolf] had a Polar brand exercise watch that wirelessly monitored a chest strap that sends it heart rate data.

For more details and full instructions on how to create your very own wearable Arduino heart rate monitor jump over to the Hackster.io website via the link below. Source: Adafruit: Hackster.io.

Heart rate sensors available for DIY use employ photoplethysmography which illuminates the skin and measures changes in light absorption. These sensors are cheap, however, the circuitry required ...