Learn how to make a simple fire alarm with our step-by-step guide in this video! Discover the essential components and straightforward process needed to build an effective fire detection system from ...

Ultra simple circuit of the tilt sensor alarm presented here can be fabricated using readily available inexpensive components. The circuit is a true transistor based design. Home made Tilt sensor for ...

A leak sensor is a quick and affordable way to identify potentially damaging water leaks.

In this step-by-step tutorial, you'll learn how to make a very loud, simple, and powerful alarm using everyday materials.