This automatic ... a lighting system so that it turns on or off slowly. The circuit works this way: when switch S1 is closed, the capacitor C1 is slowly charged. Once the voltage at C1 reaches 0.6, ...

Designing a circuit to switch on a light at dusk and off at dawn is straightforward, and many such designs have been featured ...

If your desk drawers (or kitchen cupboards) have a dark interior that makes it hard to find items, consider adding strips of LED lighting ... including a wiring diagram and step-by-step photos.

In the morning the aquarium led light turns off. The aquarium led light circuit uses LDR as light sensor for automatic switching of the circuit. During day time LDR has very low resistance so that IC1 ...