ALMERIA, SPAIN - In horticultural operations, light-emitting diode (LED) lamps are becoming recognized as an important advance in artificial lighting. Among other benefits, LED lighting systems can ...

A light meter is a very useful device that finds applications in hospitals, schools, factories, parking lots, passageways, and many more to measure and maintain adequate lighting levels. It is also ...

You can use an LED as a photoelectricsensor. A previousDesign Idea shows that such a switchis highly power-efficient, consumingalmost no power (Reference 1).However, you cannot adjust that ...

Outdoor time from a diary and portable light meter over a 1-week period was compared in 117 Singapore children aged 6–12 years with and without myopia. All children wore a (HOBO Pendant temp/light ...