If you can install a conventional outdoor light fixture, you can install a motion sensor light, although aiming and adjusting it takes extra effort. The post How To Install Motion Sensor Lights ...

Stop worrying about turning your bathroom exhaust fan on and off. Instead, install a humidity sensor that automatically controls the fan switch.

How to Install a Thermal Sensor on a PC Case. Excessive heat can destroy computer components, which means that keeping your system cool can extend its life.