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 ...

Every LED or light-emitting diode requires a driver. This driver is responsible for regulating the power to a LED or strings of LEDs. It converts higher voltage, alternating current to a low voltage, ...

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 ...

Supertex’s PS30 constant-frequency (67 kHz), constant duty-cycle LED driver provides high power factor correction (PFC) for dimmable off-line LED bulb and tube applications. Supertex’s PS30 ...

For several years manufacturers have been introducing LED bulbs onto the market with the eventual goal of replacing incandescent and CFL lamps. The design of these lamps has evolved from very simple ...

The quest for energy efficiency has led manufacturers to investigate ways of dimming all kinds of lighting technologies, including those that usually can’t be dimmed. Consider, for example, ...