When you want to make your lights smarter without changing the bulbs, you’re likely looking at upgrading to a smart light switch. One of the more vital functions of a smart switch is its ability to ...

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 ...

Here is an ultra simple automatic light switch circuit for bedrooms. After construction, connect the input terminals of this circuit in parallel to the internal buzzer terminals of a Quartz-Alarm ...

Improved bike headlight switch circuit presented here has been designed to switch bike headlight on (or similar loads) at a presettable ambient light level. The circuit is based on the renowned timer ...

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 ...