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 ...

The best DIY home security systems are affordable and easy to set up without a professional. NerdWallet is committed to editorial integrityMany or all of the products on this page are from partners ...

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

Your first question when shopping for a smart home security system should be "what's the difference between a smart security system and a "dumb" one?" The answer to this question varies from brand to ...

Don't like scammers? You won't like burglars either. See your best security system. Let's go Don't like scammers? You won't like burglars either. See your best security system. ADT, Vivint and Abode ...