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keyboard working of my project..?

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khushbu06

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hey everyone..
i m making a project named automatic college bell..
well i am attaching the circuit and my project image..

can anyone explain how my keyboard will work? because i have taken switches not keypad...
what will be there in display when i press any of the key..
PLEASE its quite urgent...
 

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  • Image044.jpg
    Image044.jpg
    45.2 KB · Views: 74
  • qa-00191--college_bell_circuit.gif
    qa-00191--college_bell_circuit.gif
    28.8 KB · Views: 69

there is a program too but after all i finished shouldering and inserted codes too but still my project is not working...!! :-(
help me out....
attaching the program too...

tell me how i can set the alarm and all that.. i can't understand anything....:-(
 

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  • ASM program.pdf
    68.3 KB · Views: 68

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