Learn how to make a simple door alarm to enhance your home security with our step-by-step guide. This DIY theft alert alarm ...

In this informative video, you'll learn how to make a door alarm using simple materials and easy steps. Perfect for enhancing your home security, this guide will walk you through the process of ...

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 ...

If the sound of someone jiggling your doorknob absolutely petrifies you, then a new device that’s aimed at scaring off potential intruders may be just what you’re looking for. Sabre, a company known ...