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need help "microcontroller-based alarm system"

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mimi

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hello!

i am having my undergrad thesis right now and i got problems on how to design circuits. my project is all about a microcontroller-based alarm system with a chime sound for the whole engineering building. can you please advise me on where to get an IC with a chime sound and how to design a circuit that will connect the timer to the chime IC.
im trying to finish this project in just a month from now.
i will be very happy to hear more of your suggestions and help. thanks a lot......

----mimi
 
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