A pulse oximeter is a small device that typically clips on to your finger, toe, or earlobe to measure oxygen levels in the blood. Pulse oximetry is a quick and easy way to determine how well ...

We’re always looking for interesting biohacks here on Hackaday, and this new research article describing a calibrated pulse oximeter for different skin tones really caught our attention.

Methods: A prototype reflectance oximeter utilizing two LEDs and a sensor ... and record from various body sites other than digits or ear lobes. Such an advantages allows for long term monitoring ...