This light sensor switch circuit allows the automatic connection of a lamp when the light is low (at nightfall) and will maintain the lamp ON for a certain period of time. This time can be adjusted ...

Automatic Air Curtain Door Sensor Switch This little construction project came to life after a fairly expensive commercial air curtain door sensor switch bit the dust. That is what got me to thinking ...

Motion sensor light switches turn on automatically when they detect movement in the room, then turn off automatically after a set amount of time when no movement is detected.

Motion sensor light switches turn on automatically when they detect movement in the room, then turn off automatically after a set amount of time when no movement is detected.

The Orro Switch is expensive, but it offers some nifty tricks that put it near the top of the market. With options like Noon and Brilliant now available, high-end lighting has landed squarely not just ...

[Dillon] wrote in to tell us about his latest project, an automatic light switch for a the hallway closet in his house. Although this project could probably be done very simply, [Dillon] accomplished ...