Garmin has registered a patent for yet another heart rate monitor following the launch of the Garmin Fenix 7 Pro and Epix Pro with the new Elevate V5 sensor. However, this upcoming device isn't ...

This optical heart-rate module reference design incorporates red and infrared LEDs, a sensor, power subsystem, and logic level translation. Measuring 13mm x 13mm, this tiny, low-power board can be ...

The MAXREFDES117# reference design is a low power, optical heart-rate module complete with integrated red and IR LEDs, and a power supply. This tiny board, perfect for wearable projects, may be placed ...

With great battery life and a reasonable price tag, the Coros Heart Rate Monitor nails the basics. Accuracy stood up to testing – and while an EKG chest strap might have the edge in terms of pro-grade ...

Xiaomi has launched the Watch S4 41 mm in markets outside China, following its release in June 2025. In the EU, it is priced at €159.99, while the Milanese Strap version costs €219.99. The Watch S4 41 ...

Heart rate reserve (HRR) is the difference between your resting heart rate and your maximum heart rate. Knowing this number can help you train and work on your fitness goals. Your heart rate reserve ...