The folks at Alpine Electronics asked if I’d like to take apart their LED tube light which is intended as a replacement light for fluorescent lighting. Who could resist an offer like that? Alpine sent ...

Each filament in his IV-9 Numitrons required about 20mA to light up, perfect for the constant current LED drivers [Kenneth] picked up The test circuit consisted of an ATtiny2313 and an A6278 LED ...

a circuit like this can oscillate—I connected a scope to it to prove to myself that it was stable. C2 filters out the AC wall wart ripple so that the load current is pure DC. I wanted pure, ...

Inspired by printed circuit boards, the building block of all electronics, a Dutch designer has created an LED-based light installation that draws upon the familiar etching pattern inside most ...

Cree has issued a voluntary recall of its tube-shaped T8 LED, a light designed to replace fluorescent ... between the spring contact and the printed circuit board. This resistance can lead to ...

Conventional fluorescent tube light fixtures officially need to die now that a Japanese company has announced a Wi-Fi-equipped LED fluorescent tube lamp replacement worthy of being on a spaceship.