Automatic Night Lamp with Morning Alarm using Microprocessor

This Project “Automatic Night Lamp with Morning Alarm” was developed using Microprocessor. It is the Heart of the system. The sensors are made with help of LDR which are Light Dependent Resistors, whose Resistance is inversely proportional to the Light falling on it.

The LDR converts the light energy into electrical energy and this variable electrical energy was converted into digital signal (0 or 1) by using the timer IC555. The Timer IC output goes low when light falls on the LDR and the timer IC output goes high when the LDR was placed in dark.

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