How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, [Ludwin] noted that ...

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 ...

You might already count your steps with a walking app or wear a fitness tracker to keep tabs on calories burned during a workout—but, if you don’t have one already, a heart rate monitor is one of the ...

A small, liquid-filled sensor can continuously and accurately measure heart and lung sounds, detecting cardiac problems or shortness of breath at an early stage, something which could warn heart ...