The circuit above is an light sensitive automatic switch which functions in absence of light. The IC 4060 works as an oscillator and the generated signal is applied to the base of T4 transistor.

With just three transistors, one relay, and some resistors and capacitors, a single light switch can provide sophisticated control of high-power and low-power lamps. With just three transistors, one ...

I have the pleasure of living in an apartment without any ceiling lights in my bedroom or living room, and if you do as well, you know that it’s a little annoying. I have lamps everywhere that I have ...

Replacing every light in the house with a smart bulb can get pricey quickly. One easy way to add intelligence to a room’s lights is with a smart light switch. Once installed, you’ll be able to ...

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 ...

Becca Lewis is home maintenance writer who aims to foster confidence in and inspire DIY enthusiasts at all skill levels. Becca attended Southern Connecticut State University, where she studied ...

Brilliant’s screen-based smart light switch has incredible aspirations, but some kinks still need to be ironed out. In the early days of the smart home, few could have predicted that one of its ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Security Issue March ...

You can add a second light switch anywhere in your house without wiring a new three-way switch thanks to smart home technology. This guide will show you what you need, and how to do this without ...

I’m PCMag’s home theater and AR/VR expert, and your go-to source of information and recommendations for game consoles and accessories, smart displays, smart glasses, smart speakers, soundbars, TVs, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rachel Cericola Rachel Cericola is a writer covering smart home. In addition ...