Lego Smart Play: Patent applications and FCC documents reveal the technology

Lego packs an electronics platform with 3D magnetic tracking, multi-radio communication, and inductive charging into a brick.
CNET

I Found Out Why Our LED Bulbs Burn Out So Early. No, You Don't Need a New Fixture

It turns out the "10-year lifespan" printed on your LED box is often a total fantasy. I spent years falling for the marketing, only to end up standing on a ladder every six months replacing bulbs that ...
IEEE

Low-Cost LED Driver Based on a Low-Dropout Current Regulator Combined With a Quasi-Resonant Buck Preregulator

Abstract: The ease of control of light-emitting diodes (LEDs) allows the development of drivers with luminous flux control without significantly increasing the cost. The preferred control system to ...
IEEE

LLC Resonant DC/DC Converter for LED Headlight Applications with PWM Dimming

Abstract: This work proposes the use of a high-frequency resonant LLC DC/DC converter with PWM dimming to power an array of LEDs for automotive headlight applications. The resonant tank is designed ...
GitHub

WS28xx RGB LED SPI Driver

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.
GitHub

BTS7960 Motor Driver Library

This library provides a simple interface for controlling high-power DC motors using the BTS7960 motor driver module. It allows users to easily manage motor speed and direction with minimal setup and ...