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 ...

In the world of gardening, regulating critical assets such as light can yield vast benefits for your efforts. Utilizing these elements to autoregulate light in your garden is a prime benefit linked ...