This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple ...

Regular Hackaday readers are surely familiar with Nixie tubes: the fantastically retro cold cathode display devices that hackers have worked into all manner of devices (especially timepieces) to give ...

We’ve all seen Daft Punk helmet builds, but [George’s] project is a homemade LED helmet that takes no shortcuts and packs the visor full of hundreds of individual lights. He started with a prototype ...

The adoption of LEDs continues to expand across a variety of sectors, including automotive, agricultural, industrial, commercial, and outdoor lighting. The biggest growth drivers are their lower power ...

Demand for LEDs continues to grow across industries — indoor/outdoor lighting, display sectors, and automotive lighting — thanks to their higher energy efficiency, lower heat output, and ...