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    Beginner Level Musical Bell

    Nvis 25D

    Product Description

    The Simple Musical bell uses IC 555 timer that operates in monostable mode. The circuit uses IC called UM66 which is a Musical IC and produces a melody sound at the output using speaker. As the switch is pressed the 555 timer gets activated and speaker produces sound for at least 15-20sec.
    Product Features

    • Musical bell sounds for atleast 15-20 seconds.
    • Safe and easy to perform.
    • Descriptive operating manual with procedure.
    • Circuit diagram with PCB Layout for better understanding.

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