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.

The 9th U.S. Circuit Court of Appeals announced Monday that an 11-judge panel will hear a San Diego case challenging a California law that requires a background check for nearly all purchases of ...

If there's an electrical component on the fritz in your car or something that's stopped working entirely, one of the first ...

A continuity tester that indicates the resistance of, say, PCB traces with musically-related tones, whose pitch changes with ...

Scientists create perovskite film semiconductors at room temperature using lasers, which is a revolution for chips and solar ...

LED lightbulbs are supposed to last thousands of hours, so how come some of them stop working so fast? The answer might be in ...

The three week-long wait is over. The Mugello test is done and dusted, and we’re back to racing with the European leg of the 2012 season getting underway this weekend at Catalunya, Spain, the 22nd ...

The iron-on electronic patch could make it easier to embed sensors, lights, and microphones directly into clothing. The ...

It's evident right in the name why a multimeter can be so handy — it measures multiple things, including voltage, current, and electric resistance. This makes it useful whether you're a professional ...

Transforming basic robotics kits, a student-led startup is redefining a complete learning path, from beginner projects to ...