Designed by Cirket open-source hardware in China, the ESP32-DIV V1 is a handheld wireless pentesting and experimentation tool ...

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

A new type of OLED can generate left- or right-handed circularly polarized light from just one form of light-emitting ...

If you’re reading this, that means you’ve successfully made it through 2025! Allow us to be the first to congratulate you — ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

Researchers have developed a low-cost visible light communication (VLC) system using commercially available hardware that ...

Two people won $50,000, and one person won $1 million during Saturday night’s Powerball drawing. The winning numbers were 4, 5, 28, 52, and 69. The Powerball was 20. The $1 million winner had five of ...

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 ...

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 ...

I've completely swapped my home over to LED lights, and for the most part, I love it. The energy savings are real, and I'm a sucker for all the smart color changing tes. But my biggest grievance is ...