This circuit can indicate the ON / OFF status of AC Loads. Two high bright LEDs indicate the power ON and power OFF status of the load connected to the AC outlet. It is highly useful to avoid the wastage of electricity if devices like heater, electric iron, Soldering iron etc are switched on unnecessarily…
Load Positioning System
Sometimes it is needed that the object should remain inline or in contact with other moving object. For example in satellite tracking system the dish antenna should always point to moving satellite to receive maximum signal. a slight deviation may also reduce the signal strength. In gun barrel position system for military tank or anti-aircraft gun once the target is…