Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...
Abstract: A battery-powered multisensor acquisition system with five dedicated channels [electrocardiograph (50 μW), bioimpedance (46 μW), galvanic skin response (15 μW), and 2× photoplethysmogram ...
Abstract: Structured light devices are commonly used in many measurements by emitting certain illuminating patterns on objects or scenes, enabling the acquisition of object information. To achieve ...
Scientists have developed a fully transparent skin sensor that accurately measures UV radiation, detecting light and ...
Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...