Motion detectors are widely known for their role in home security systems, but their usefulness extends far beyond guarding ...

I thought some of these would hold up better ...

As a business owner, you probably spend too much time at the office or shop, and not enough at home. Even when you do leave the office during the day, it may be only to run errands, pick up supplies ...

Last year, I took a look at some mostly low-cost passive infrared (PIR) motion sensor modules. Then recently, I became more aware of cheap microwave radar motion sensor modules. The popular version of ...

Recently, I exhausted my stock of common passive infrared (PIR) motion sensor modules and was looking for a new one to play with. I searched the web for a small type with self-contained electronics.