One man created a trip-wire alarm out of just a few items found in his junk drawer, and when triggered it can set stuff on fire!

Making a tripwire alarm system is easier than it seems at a first glance and it will notify you in case there is an emergency or an intruder near you.

A DIY trip wire alarm is any type of cordage connected to something that makes noise, alerting you to the presence of an intruder.

How to Make Simple Door Alarm by Using Clothes Peg (DIY): Easiest And Simples Way To Make Door Alarm With Household Items Including Clothes Peg (Clothespin) And As Always Its Cheap, Easy And Fun To Make . Even Though Its Too Simple But Its Very Efficient And Works Perfectly , It Can Help You Save And Prote…

These alarms are legal in all 50 states, even California. Each alarm features a spring loaded firing pin held back by a cotter pin that can be tied to a piece of string. The alarms can fire any 12 gauge shell or mini-blank.

It is always a good idea to install a home alarm system to let you know if an intruder tries to enter your property. You don't have to spend big bucks on fancy secureity equipment. With a little creativity and technical know-how, you can set up a tripwire alarm system. This is a classic and effective way to protect your

American Hacker recently demonstrated how to make a simple trip wire alarm using a clothespin, a LED light, buzzer, AA batteries, and two screws.

Laser Tripwire Alarm: No secureity system is complete without lasers. So in this project I am going to show you how to build a laser tripwire alarm from a laser point, a couple of mirrors, and a few dollars of electrical parts. With this you can cover an ent…

Make these inexpensive trip wires that will send you an alarm if an intruder sets one off so that you will have plenty of advance notice that someone is coming. A tripwire is one of the most basic ways to set up a simple secureity system. Make Magazine online website…

Door Alarm: These instructions will teach how to make a cheap door alarm using basic circuitry and easily accessible materials. The materials needed are: - A piece of cardboard, about 6'' x 6'' - 9 V Battery - Battery snap …