After fumbling around in my bag for an embarrassingly long time on a fruitless pen hunt, a friend put me on to this gadget.

They usually come with detachable panels that can be installed in a sunny location some distance away from the actual light. Run wires and install an electrical box A motion sensor light is almost ...

The sensor and each light fixture require electrical boxes set into the wall (Figure A).You can rewire boxes at existing ...

That’s it. Microwave-based motion sensor board on top, controller board for LED ceiling light underneath. The power adapter is straightforward in that it accepts 100-240 Volts AC and turns it ...

The idea is simple: hide the Cat Prank box in a cupboard or other space in a friend’s house, and it will meow from its secret location. When found, either the light sensor or motion sensor will ...