The CNET home security editors have tested out every major home security system over the years. We haven't listed every single one here, since some, such as AT&T Digital Life, are no longer available.

I like the Ring Alarm Security Kit. It's cheap, it's simple and it works ... hardware options make it a solid entry-level DIY home security system. Consider it if you want a basic DIY home ...

If you already have a Ring Home (sold separately), you can link your system to get Alarm Calls, automatically calling your nominated contacts in the event of an emergency, as well as the useful ...

Cheap 120db 12v peizo siren - $3.50 Arduino nano clone - $2.50 Power mosfet - $1 PIR motion sensor - $2 Perf board $1 The arduino in there to provide a bit of smarts during power on and alarm states.

Also, when a burglar enters the detection area of the PIR (Passive Infrared) detector, another alarm will be triggered. Dahua’s new alarm system is designed to enhance home safety by alerting ...