An ordinary automatic room power control circuit has only one light sensor. So when a person enters the room it gets one pulse and the lights come ‘on.’ When the person goes out it gets another pulse ...

Automatic light/dark indicator systems have very common utilities in day-to-day life. Such applications include street lighting at night, morning alarm, automatic emergency light and dark activated ...

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 ...