A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load — even below 1 V.

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 ...

Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide demonstrates assembling an LED-diode cluster, connecting it to a capacitor for ...

The cult-loved beauty tech brand now has gadgets for nearly every skin—and hair—goal. Every one of the brand’s LED devices is FDA-cleared and CE certified for at-home use. (CE certification is ...

UAE-based renewable energy company Masdar (Abu Dhabi Future Energy Company PJSC) announced on Wednesday that its consortium has awarded the Engineering, Procurement and Construction (EPC) contract for ...

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 ...

A Sydney building company has copped a hefty fine after a decision to take a “cheap option” during construction works resulted in the dramatic collapse of an occupied office building. The NSW District ...

Improvements in manufacturing precision have resulted in smaller, more efficient sensors. Integrating these advances with communication technologies, specialists or automated systems can interpret ...

Inorganic LEDs are light-emitting diodes (LEDs) made from a crystalline semiconductor. The optical emission wavelength can be selected by varying material composition. Example active regions include ...

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 ...

When it comes to making things that glow, there are two ways to stand out from the crowd. You can make something very big, or something very small. [DIY GUY Chris] has done the latter, producing a ...

At the Electronics Weekly Elektra Awards 2025, the entire ballroom of the Hilton Bankside rose to its feet in a standing ovation as Professor Cyril Hilsum accepted the Lifetime Achievement Award.