The build combines an EmotiBit sensor ... optical methods to detect changes in blood volume beneath the skin. From this data, a pulse rate can be derived, and the LEDs flashed with a heart graphic ...

One of the most useful features of owning a smartwatch, right up there with being able to get notifications that vibrate on ...

The MAX30105 is an optical sensor capable of a great many things ... Or, you can use it as a rudimentary way to measure your heart rate and blood oxygen levels. It’s by no means a medical ...

The Apple Watch Series 3 features a 1.65-inch OLED 3D Touch display with Sapphire Crystal glass protection and is powered by a dual-core Apple S3 chipset. It features an optical heart rate sensor ...