By cleverly patching into the test button on an old smoke detector he created a circuit-trip alarm. One side of each piece of wire is secured to the frame and jam of a window. A paper clip ...

It’s a simple device that sits on the floor of his basement and triggers an audio alarm if water begins to cover the floor. He used an old smoke detector for the build; a nice choice since it ...

We've tested a wide range of smoke detector models and compiled a list of the best options for households. Whether you're replacing an old unit, buying your first one or even thinking of getting ...