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 ...