How a small device called a pulse oximeter measures blood oxygen levels

A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.
PC Magazine

Apple Watch Blood Oxygen Sensor Returns: How to Use It and What It Can Tell You About Your Health

Apple has your health in mind when it comes to the Apple Watch, which is why it added a blood oxygen sensor starting with the Series 6. This technology can tell if you’re getting enough oxygen to your ...
techtimes

How To Use Pulse Oximeter To Check COVD-19 Infection? Reading Results, Function, and Other Details

The pulse oximeter is currently one of the most essential medical devices. This health instrument can actually help you during the ongoing COVID-19 pandemic. In this photo illustration, a young woman ...
Healthline

Should You Use a Pulse Ox When You Have COVID-19?

Monitoring your oxygen level with a pulse oximeter if you have COVID-19 can help determine if it falls too low. Low levels may need medical attention. COVID-19 is a respiratory infection. It can cause ...
Hackaday

This Air Particulate Sensor Can Also Check Your Pulse Rate

The MAX30105 is an optical sensor capable of a great many things. It can sense particulate matter in the air, or pick up the blinking of an eye. Or, you can use it as a rudimentary way to measure your ...