This automatic light dimmer circuit makes it possible to control a lighting system so that it turns on or off slowly. The circuit works this way: when switch S1 is closed, the capacitor C1 is slowly ...

If your desk drawers (or kitchen cupboards) have a dark interior that makes it hard to find items, consider adding strips of LED lighting controlled by a magnetic alarm switch. DIY weblog Make ...

A super-bright white LED is used as the night lamp. It gives bright and cool light in the room. When the sensor detects the daylight in the morning, a melodious morning alarm sounds. The automatic ...

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 ...

They, and the later Bi-Xenon headlights, are an evolution of the Halogen system, with more work put into the reflectors in the housing to focus the light which is one reason aftermarket HID upgrade ...