Apple's watchOS 27 will be unveiled at WWDC in a few weeks, and the latest rumors suggest the company is focused on refining ...

The use of biometric data in personal devices has been popular with consumers for tracking things like heart rate and sleep ...

One of the problems with good science fiction is that it introduces us to all kinds of cool devices that we can’t actually ...

In 2026, Arduino has quietly revolutionized the DIY landscape, moving beyond basic blinking LEDs to become a powerhouse for home interior upgrades. The launch of the AI-powered Cloud Editor and the ...

Micro-fluctuations in the time between heartbeats are proving a helpful indicator of mental health, stress levels and exercise capacity. They could even provide insight into how well you are ageing.

Abstract: In addition to monitoring blood pressure, cholesterol levels, lifestyle habits, and medical history, heart rate also serves as an essential measure in assessing overall health. The heart ...

Runners, cyclists and gym-goers with wearable fitness trackers are no doubt familiar with the five "heart rate" zones. Ranging from low to very high intensity, these zones are calculated as ...

We may earn a commission from links on this page. Deal pricing and availability subject to change after time of publication. While most fitness watches and other devices (like smart rings) can measure ...

University of Washington researchers built a smartphone app that tracks fetal heart rate as accurately as clinic tools. No extra hardware, no gel, just the phone’s own speaker and microphone. It’s ...

You can approach heart rate training in a few ways, and each method has its own set of variables. It can seem like a complicated process. That’s why whenever heart rate training entered the chat, I ...

Fans watching the Winter Olympics on NBC networks may notice a unique addition to the coverage—a live heart rate monitor showing the stress of the coaches, parents and partners of the American ...

This library is not tested with hardware yet. (it is based upon datasheet + app note). If you have hardware and can test with SPI, please let me know (open an issue). The BL0940 is a configurable ...