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    Looking for an Assembly program for electronic lock using 8051

    I want to find a assembly program, please help. Develop an electronic lock by using the circuit below, use the 4x3 key pad to implement the door password, door-open key and clear button key. Use uVision to write the program to check the password-keyed in from the 4 x 4 matrix keyboard...
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    Question how to interface 8051 with the 4x4 matrix keypad

    4x4 matrix 8051 Questions I want to ask how to write a program with assembly language to scans my keyboard and displays any character pressed by the user on the LCD. For example, displays keys 0-9 as numbers 0-9 on the LCD while keys 10,11,12,13,14,15 are displayed as letters A,B,C,D,E and F...
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    Help !! I want to interface 8051 with the 4x4 matrix keypad

    I want to ask how to write a program with assembly language to scans my keyboard and displays any character pressed by the user on the LCD. For example, displays keys 0-9 as numbers 0-9 on the LCD while keys 10,11,12,13,14,15 are displayed as letters A,B,C,D,E and F, respectively. I use...

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