Tired of building the same old Arduino projects like blinking LEDs, temperature monitors, and line-following robots? Now it’s ...

There’s a playable, paper-thin Tetris game on the cover. There’s a playable, paper-thin Tetris game on the cover. is a senior reporter who’s been covering and reviewing the latest gadgets and tech ...

We asked experts about why our LED bulbs seem to die ahead of time. Here are the reasons they gave. Tyler has worked on, lived with and tested all types of smart home and security technology for over ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

Lasers, LEDs and light sources are devices that create light. LEDs (light emitting diodes) convert an electrical current into light using spontaneous emission in optically active semiconductors.

This project is a Tetris game that runs on an ESP32 microcontroller and displays on a 4-module LED matrix using the MAX72XX driver. The game includes: Classic Tetris gameplay with 7 different ...