These days we are a little spoiled. There are many sensors you can grab, hook up to your favorite microcontroller, load up some simple library code, and you are in business. When [Raivis] got a ...

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 ...

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, finger, or even the ear. Any reasonably ...