The circuit presented here is a very simple and yet highly effective alarm system for protecting an object. The circuit requires no special devices and can be built using components that you will no ...

From using existing wiring to repurposing old hardware or smart devices, keeping your home secure might not cost as much as ...

Last month, Ring began taking pre-orders for its Ring Alarm home security system, and today it begins shipping. I've had a chance to spend some time with Ring Alarm, and I've found it's an easy-to-use ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. We originally tested and reviewed the Ring Alarm Security ...

Home security systems were once simple: a few sensors, a keypad, and a loud alarm. However, as technology advances and ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. is an editor overseeing The Verge’s product reviews and service journalism programs. Dan has covered ...

Choosing a home security system is anything but simple. You have to decide whether you want to install it yourself or hire a professional, what security cameras and ...

The SkylinkNet alarm system kit is nothing fancy but it’s easy to set up and works well for a simple home security system. Like any other smart-home system, it has to be connected to a home Internet ...

While the Web is full of DIY electronics projects, few are useful as they are entertaining. That’s not the case with this one here, however — a laser tripwire alarm system, which can be used to secure ...