I created a modern corner planter designed for both indoor and outdoor use, featuring LED lighting. The project cost ...

When the power cuts out, you need light that comes on instantly and predictably, not a scramble for flashlights and a maze of ...

Abstract: The chip-on-board light-emitting diodes (COB-LEDs) present low light efficiency due to the total internal reflection (TIR) at the flat encapsulant-air interface. In this study, a simple ...

Wait, there are already so many drivers for WS2811/WS2812 on crates.io? At the beginning I was not aware of that WS2811, WS2812, WS2812B, ..., WS2818 are basically the same. I just did not notice it.

Amrish Kumar, founder of a homegrown LED bulb unit in Bakhira, uses an interest free state scheme and mobile internet to ...

Abstract: Contribution: This study identifies the types of interaction that contribute to student learning with student-led tutorials (SLTs). The quality of these interactions include peer discussion, ...

This resource provides clear explanations of how switching regulators work and how voltage boosting is achieved efficiently ...

The most important thing to know about Fresnel lenses, before casually attempting to drop them into conversation, has to do with phonetics: "Fresnel" is pronounced "Fruh-NEL." If the silent "S" makes ...

This is a simple tutorial for the ESP32 Cheap Yellow Display Board (CYD) model ESP32-2432S028R and Platform.io. It shows you how to create a basic application that displays information on the screen ...

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 ...