The circuit employs the functions of reed switches to produce a gate alarm that is powered by a universal AC/DC power supply. The circuit employs the functions of reed switches to produce a gate alarm ...

Now you can build your own simple door alarm security system using a tiny microcontroller chip PIC12F635! The circuit is nothing but an aural alert unit, which raises ...

Where standard home protection will simply sound an alarm to alert nearby people, in the hope that someone will investigate or call the police, or perhaps scare off intruders, the best monitored alarm ...

For any homeowner, your family's safety is a top priority. And there are several ways you can ensure your home and family stay protected. That's where home security systems come in. As its name ...