Discover the step-by-step process of creating a powerful music reactive LED strip circuit in this comprehensive tutorial.

We tested the most-hyped LED masks on the market to see which ones actually deliver results. Here’s what worked—and what didn’t.

Given the performance decay of high-power light-emitting diode (LED) chips over time and package condition changes, having a reliable output light for sensitive applications is a point of concern. In ...

A battery-powered multisensor acquisition system with five dedicated channels [electrocardiograph (50 μW), bioimpedance (46 μW), galvanic skin response (15 μW), and 2× photoplethysmogram (134 μW)] is ...