If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The little board from an Italian university with its easy to use dev environment ...

Abstract: Noncontact prediction of peripheral oxygen saturation (SpO2) is necessary for monitoring vital signs of patients afflicted by infectious disease or sensitive to skin irritation. Recently, ...

Oxygen is essential for adequate cellular functioning and highly specialized systems have developed to maintain a delicate balance during conditions of relatively low to high levels of oxygen ...