Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

heart rate 18 Articles 2025 One Hertz Challenge: An Arduino-Based Heart Rate Sensor August 15, 2025 by Lewin Day 3 Comments ...

Our medical experts vetted the best and most popular watches that monitor heart rate on the market for 2025. Find out more here.

Polar heart rate monitors are often used as the gold standard. But can your Polar watch track calories burned? We dove into the research to find out.

As we age, our heart's response to exercise changes, impacting maximum and target heart rates. Monitoring your heart rate during workouts ensures you' ...

Learn about a good walking heart rate and what factors affect this number. Plus, calculate your resting and maximum heart rates and see what's too low or high.

Garmin watches have become increasingly reliable regarding heart rate tracking accuracy, but pairing an external heart rate monitor is another option.

The Pulse takes you behind the doors of operating rooms, into the lab with some of the world's foremost scientists, and back in time to explore life-changing innovations.

It looks like Suunto's next-generation sports watches are ready to debut, with the regulatory filings of the Race 2 and Vertical 2 surfacing.

The sensor comprises a chest strap, a heart rate monitor and a strain gauge, which measures breathing rate.

We've even got a picture of what kind of features to expect from the buds, from a built-in heart rate monitor to live translation. But there's only one thing I care about when it comes to Apple's ...