[hclxing] eagerly picked up an LED ceiling light for its ability to be turned on and off remotely, but it turns out that the lamp has quite a few other features. These include adjustable brightness, ...

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 ...

Security lighting is widely used as a preventive measure against intrusions on a physical piece of property. Since adequate lighting around a physical structure reduces the risk of an intrusion, ...

After months of delay, the Xiaomi Smart Ceiling Light D20 is finally available to buy. Its standout feature is a built-in radar sensor that detects motion to automatically turn the light on or off. It ...

Xiaomi has unveiled the Smart Ceiling Light D20 on its website, featuring a smart radar light sensor for automatic motion detection and a slim 6 cm design. Launch date, pricing and availability remain ...

Sometimes, projects start in somewhat unlikely places. This one began when [Istvan Raduly] scored a fake raven at a neighbor’s garage sale and decided to turn it into a thunder-and-lightning ...