The Apple Watch’s SpO2 sensor that allows wearers to measure their blood oxygen levels was impressive when it first debuted, but it may be even more accurate than initially marketed. According to a ...

Let's get the disclaimer out of the way first: I'm not a doctor. Nothing I'm going to tell you is backed by any medical training. You should definitely see your doctor before making any decisions, ...

The MAXREFDES220# reference design provides everything you need to quickly prototype your product to measure finger-based heart rate and blood oxygen saturation level (SpO2). The MAXREFDES220# ...