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 ...

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 ...

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 ...

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 ...

GlacialLight has added the GL-PIR10C, a versatile infrared motion sensing switch, to its popular range of lighting products.This passive infrared (PIR) motion sensor can be connected to a wide range ...

[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 ...