Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the ...

At ISE 2026, company will unveil OSIRIS, a 0.9mm curved simulation display with 240Hz refresh and multi-point-of-view support ...

Organic LEDs are light emitting diodes (LEDs) that use polymers or small organic molecules as their optically active element. Development of organic LEDs is driven in particular by its potential as a ...

On paper, LED bulbs are made to last for at least several years thanks to their low energy needs. I wanted to know why that doesn't always work out, so I talked to installers and LED manufacturers to ...

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 ...

A series where we find out which products the professionals (who really know what they’re talking about) actually use and really stand behind. Read more here. Maybe you’ve seen an influencer gliding ...

Discover the best H11 LED headlight bulbs with expert tips, bulb finder tools, and upgrade advice for brighter, safer night ...

Thanks to smart home security systems, it's easier and more affordable than ever to monitor your home from pretty much anywhere. At PCMag, we have been reviewing smart home security solutions for ...

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 ...