A new nanostructure gas sensor uses safe blue LED light to distinguish hydrogen, ammonia, and ethanol with 56x better ...

Here is one simple circuit of a general-purpose white LED security light with Passive Infrared (PIR) Motion sensing mechanism. At the heart of the circuit is a PIR sensor module SB0061. SB0061 is a ...

Key Points Motion sensor lights help to save on energy by automatically turning the lights off when not in use.They are most effective for lights accidentally left on often, like outdoor lights and ...

IKEA has launched its new Gömpyssling LED light with sensor. It's a motion-activated light which automatically switches on when you open a cupboard or step into a space, then turns itself off after ...