One of the biggest causes of excessive energy use in homes comes from the amount of electrical equipment, lighting, and electronics we have, and how often it is left on when not needed. Recommended ...

This automatic door light switch circuit turns ON a lamp when a door is opened then turns it OFF when the door is opened again. The working principle of the light switch is quite simple. The bistables ...

This automatic park light switch with LDR automatically turn ON the light when the surrounding light dims to a preset level. The first circuit diagram is an NPN design intended for negative grounded ...

GlacialLight has added the GL-PIR10C, a versatile infrared motion sensing switch, to its popular range of lighting products. GlacialLight has added the GL-PIR10C, a versatile infrared motion sensing ...

Which smart light switch is best? Smart technology offers convenience and efficiency at every turn, and smart light switches are no exception. The ability to control light switches either by app or ...

When you open a refrigerator door, the light comes on. How would you like that feature in a closet? All you need is a spring-loaded jamb switch and some basic carpentry and electrical skills. The ...

[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 ...