New European regulations mandate that within 5-7 years new buildings will be near zero emission. Lighting is a major energy user in commercial and domestic buildings alike, and these regulations have ...

Prehistoric man used primitive lamps made from naturally occurring materials, such as shells, horns, and stones, to illuminate his cave. Commonly filled with grease, these lamps had a fiber wick that ...

Proposed changes to the ASHRAE/IES energy standard would require automatic lighting controls in more space types and shorten the times before lighting is automatically reduced or shut off. The changes ...

What can we say — we’re a sucker for projects that feature our favorite logo. This is the Parallax Propeller Automated Light Painting Machine — and no, it’s not a persistence of vision setup. [Daniel] ...

This automatic park light switch with LDR automatically turn ON the light when the surrounding light dims to a preset level. The first circuit diagram is an NPN design intended for negative grounded ...

In many cases, the dimmer presented here may be built into a wall-mounted box containing the light switch. It is intended for use with 240 V incandescent lamps only. When it is fitted, and the light ...