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, ...

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 ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. As smart home speakers like the Amazon Echo get more ...