While at CES 2016, I got a sneak preview of the MAX30102 optical sensor. I met with Maxim Integrated and saw a really neat optical heart rate IC for the wrist ... A typical system block diagram.

BARCELONA, Spain -- Take the Mio Alpha heart rate watch ... around the block a few times to get a more accurate impression. I didn't feel like getting all sweaty anyway. The sensor fits into ...

A combined heart rate (HR) and motion sensor (Actiheart) has been proposed as an accurate method for assessing total energy expenditure (TEE) and physical activity energy expenditure (PAEE).