Light Dependent Sensor For Multiple Inputs

This is a very easy make electronic Circuit project of Light-Dependent Sensor For Multiple Inputs Circuit. Light-dependent sensor uses LDRs to detect the presence or absence of light.

Light-Dependent Sensor For Multiple Inputs Circuit Diagram:

Light-Circuit

As long as the light source striking the LDRs remains constant, the alarm does not sound. But when the light is interrupted, the alarm is triggered.
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