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    Intermediate Level Burglar Alarm

    Nvis 18D

    Product Description

    The circuit illustrated here is used as an Burglar alarm. LDR is kept at such a place that when thief enters our house then a shadow will fall on the LDR. A small beam of light source is also needed to supply continuous signal to LDR. The circuit is constructed using NE555.
    Product Features

    • To detect the robber, LDR and a source of light is used.
    • Safe and easy to perform.
    • Descriptive operating manual with procedure.
    • Circuit diagram with PCB Layout for better understanding.

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