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 ...

[James] has been building a heart rate monitor using a very cool TI chip. He needed a way to test his device, and commercial ECG simulators, like all biotech devices, are absurdly expensive. [James] ...

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 ...

Dr. David Benaron is an inventor whose team at Stanford laid the groundwork for the optical heart rate monitor. He's also a cheetah named Spottacus. I’m PCMag’s home theater and AR/VR expert, and your ...

Apple Watch’s incredible pulse-monitoring powers are at the center of Apple’s newest legal battle. Masimo Corp., a healthcare company that manufactures pulse monitor technology, filed a lawsuit ...

One of the most useful features of owning a smartwatch, right up there with being able to get notifications that vibrate on your wrist instead of your phone making a noise, is their ability to monitor ...

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 ...