There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network ...

A home security system, on the other hand, focuses on door/window sensors, independent motion sensors, glass-break sensors and similar devices you arm/disarm based on who's at home. They often ...

[Jeff Sandberg] demonstrates that ably with his project to use ancient 1990s burglar alarm sensors ... security system. The sensors themselves sit on doors or windows. They use magnets and a ...

Commissions do not affect our editors' opinions or evaluations. With so many wireless home security systems available, it’s hard to know which wireless home security system is best for your home.