Home Alarm Systems

High-tech burglar alarms can be extremely intimidating, but most of them operate based on a very simple principle. All you need to make a burglar alarm is a loud noise such as a buzzer and a means...

Many burglar alarms are extremely sophisticated, utilizing numerous electronic components to protect your house. The concepts behind a burglar alarm are extremely simple and don't require a lot of...

Home alarm systems are based around a very simple system: a loud noise and a means of triggering it. Fancy home alarm systems use radio signals to keep multiple components online and can enact...

Stairs can be rigged with an alarm the same way a door or a window can be protected. You can use tripwires or a laser light stretched across a stair to trigger an alarm whenever anyone passes by....

Alarm circuits are based on one of two models, differentiated by how they activate their siren or buzzer. A closed circuit alarm normally has electricity running through it, which prevents the...

Would you like to know how to make a pressure mat alarm that you can hide under a rug? Then whenever someone steps on the alarm, it will buzz, notifying you. Place your pressure mat alarms...

Burglar alarms can be simple or complex, but all of them are built around three basic components: a bell or alarm, a battery to power it, and a trigger switch. When someone triggers the switch, it...

Having alarms hidden around the house can make a person who lives alone feel a little more secure. Alarms can also be a big help to the parents of toddlers. Toddlers are always getting into...

Do you have toddlers who wake up at night while you are sleeping and wander through the house? It would be great if you could make a simple alarm to alert you whenever they do. After all, you...

A cheap alarm is perfect for those who can’t afford to purchase security systems but want a defense mechanism against possible perpetrators. This is a quick, easy and affordable way to make...

You can create a simple, rudimentary burglar alarm largely with things you already have around the house. It is perfect as a science project for children or as a basic outline for a more elaborate...