Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

More than a third of Brits with dementia are undiagnosed A FINGER-PRICK blood test that you carry out yourself could one day diagnose Alzheimer’s disease. Experiments suggest the simple check is 86 ...

A blast from the Elektor archives: this clever 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load — even below 1 V. Built from standard components and no ...

Whether you’re gaming or streaming movies, time spent relaxing in front of the TV can be great. But if you want to take it up to the next level, you can’t go wrong with backlighting! Turn your boring ...

Buying a monitor or TV has become a daunting task these days. When manufacturers aren’t branding their products with acronyms like QLED and OLED, they use confusing terms like mini-LED instead.

We can’t get enough of [Bettina Neumryn’s] videos. If you haven’t seen her, she takes old electronics magazines, finds interesting projects, and builds them. If you remember these old projects, it is ...

This article is part of Kotaku Deals, produced separately from the editorial team. We may earn a commission when you buy through links on the site. We’re deep into Prime Big Deals Days now — Amazon’s ...

Both LCD TVs and LED TVs have been on the market for many years. TV-size LCDs gained popularity in the mid-2000s, while LED TVs followed a few years later. The marketing departments for many companies ...

In a year filled with minor upgrades across the premium TV market, TCL has introduced a major shift with its new SQD-Mini LED technology. Debuting on the flagship X11L series, this proprietary ...

I've tested a lot of TVs, and I think RGB backlight systems could be what moves display quality forward. I've seen two models from Hisense and Samsung and I'm impressed. I’m PCMag’s home theater and ...

This story was produced by Amy Ramirez-Leal and distributed by Next Net. A DIY mold test kit may seem like a quick solution, but experts warn that these kits often provide incomplete or unreliable ...

RGB Mini LED and Micro RGB TVs improve LCD picture quality with higher brightness and wider color gamut, but still face LCD limits. Learn about models, prices, and OLED comparisons. Buying a TV in ...