Dark and Light Activated Relay
This is the basic dark and light sensor which using photoresistor as sensing component. The transistor act like as a switch, when the “switch” in on condition then the relay will be activated.
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Automatic Switch-Off Staircase Light
This is the circuit diagram of staircase light with automatic switch off. It based on timer which is can be adjusted with the needs of the time of walking (climbing up and going down) on the staircase. We have been all acquainted with all the electrical wiring design that joins an electrical bulb with two… Read More »