It's amazing what you can do with an ESP32 (or two).

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

RGB TVs are the latest hotness in the world of televisions, and I’ve tested many of the latest models to see which you should ...

How old is the seven-segment display? Surely it is a product of the 1970s. After all, calculators started showing up, and the height of junior high humor was plugging 7734 into your calculator and ...

After a small engine plant began experiencing severe power quality problems and the subsequent investigation showed the wireways weren't electrically continuous, the facilities team found the solution ...

Nasha Addarich Martínez Head of Editorial Initiatives and Data Journalism Nasha is the Head of Editorial Initiatives and Data Journalism at CNET. She leads the development and execution of proprietary ...

Expensive lighting isn't automatically smarter.

If you want to get around Monaco, a map — digital or otherwise — is probably the best way to navigate. But if you just want ...

CCFL backlights are the most common backlight technology and are used in displays ranging from 5.7 to 23 in. or more diagonal. They can have from one to 24 or more lamps mounted along the edge of the ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Summer is hard on your jewelry, exposing it to chlorine, sunscreen, sand, and ...

Red light therapy has long been used to reduce inflammation and improve skin texture, which is why LED devices are having a moment—you can reap some of the benefits without booking a professional ...