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 ...

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 ...

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 ...

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 ...

Honor has a new smartwatch but you can’t get your hands on it now because it is sort of not official yet. The new smartwatch is called the Honor Watch GS 3 (there wasn’t a GS 2) and Honor only briefly ...