Home pulse oximeters can help diagnose covid-19 symptoms, but it's easy to use it the wrong way - The Washington Post
Pulse oximetry: Uses and benefits
Pulse Oximeter From LM324, LED, And Photodiode | Hackaday
Interfacing MAX30100 Pulse Oximeter Sensor with Arduino
DIY Pulse Oximeter using Arduino and Pulse Sensor
Pulse Oximeter: Purpose, Usage, and Readings
Amazon.com: Finger Pulse Oximeter, (SpO2) Blood Oxygen Saturation Monitor with Pulse Rate Measurements and Pulse Bar Graph, Digital Reading LED Display : Health & Household
Pulse Oximeter: Top 7 Best Pulse Oximeters to check Oxygen Levels in Human Body and how to use it - The Economic Times