Joyplanes on MSN

Adjustable blinking LED circuit for RC aircraft | Navigation lights

This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and ...
IEEE

A Multi(bio)sensor Acquisition System With Integrated Processor, Power Management, $8 \times 8$ LED Drivers, and Simultaneously Synchronized ECG, BIO-Z, GSR, and Two PPG Readouts

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 ...
IEEE

An Ultra-High-Speed LED Array Driver Circuit for Structured Illumination

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 ...
New Atlas

Transparent UV light sensor warns users before skin damage hits

Scientists have developed a fully transparent skin sensor that accurately measures UV radiation, detecting light and ...
National Geographic news

LED light therapy for skin is trendy—but does it work?

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 ...