[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 ...

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 ...

As the name suggests, Simplisafe is a home security system that aims to put simplicity first. In a world where some security kits require a thorough understanding of how smart home systems and voice ...

From Ring and Yale to Simplisafe and Hive, we’ve rounded up the best smart alarm home security systems for 2025.