Automatic School Bell

This project is an Automatic School bell system. Such a system triggers a bell (or operates any other load) at predifined time. In this version some advanced features are introduced: - 16x2 LCD Display ( Displays current date, time and day) - 4x4 Keypad for Inputs - Stand alone product ( no PC required to program or maintain ringing schedule)   - No battery required to maintain clock and ringing schedu ...

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