In order to maintain a lush, healthy lawn, you’re going to need to keep your grass properly watered with a dedicated lawn sprinkler, as well as a timer to control its operation. These handy sprinkler ...

The control circuit in Figure 1a allows you to manually adjust the power delivered to a load. By changing the setting of potentiometer R 3, you change the phase angle at which the thyristor (Q 3) ...

Load switches with controlled limited turn-on times, launched from several peer points on two wires, can significantly save energy. Such switches can be used at the entrance to the premises, passage ...