Common electrical appliances, especially night lamps and other lighting options are often left switched ON even when they are needed anymore. This results in unnecessary power wastage and also reduces the lifetime of the appliance. Hence, it becomes utmost important for a user to regulate the usage of each and every electrical appliance.
Fortunately, science provides us with several options to device out a gadget which can aid in regulation of working of these electrical gadgets. From preset timer circuit to light sensitive circuits, several projects can be attached to the devices to regulate their operations and save electricity.
Here is a possible solution to prevent the wastage of energy if you forget to switch off the bathroom or terrace lamp. Once it is switched on, it stays on for 22 minutes and then automatically turns off. The lamp will turn on only if the switch is turned off and turned on again.Save Energy. It is precious.