This optical heart-rate module reference design incorporates red and infrared LEDs, a sensor, power subsystem, and logic level translation. Measuring 13mm x 13mm, this tiny, low-power board can be ...

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 ...

We may receive a commission on purchases made from links. When smartwatches and other wearables first hit the market, some people were skeptical that they'd be anything more than a novelty. Once users ...

Keeping track of your heart rate while working out is now easier than ever, thanks to wearables like smartwatches and fitness trackers. However, the gold standard for heart rate data is a chest strap ...

Put simply, SpO2 is a measure of blood oxygen saturation. The more oxygen you have in your blood, the higher your SpO2 levels are going to be. Seeing as our bodies need oxygen to survive, we can ...