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progam to interface 4×4 matrix keypad using m74c922

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This topic has 0 replies, 1 voice, and was last updated 11 years, 4 months ago by khulekani.

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November 16, 2011 at 9:09 am #1403

khulekani
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hey guys!

i need help with my project, i need to interface a 4×4 keypad using a keypad encoder(MM74C922N) to a pic 16F873A,

i need pic basic pro code.

please help
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