8051 interfacing with hexkeyboard

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saurabh makkar

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Respect to all;
i have interfce lcd with 8051 .
now have written a code in C TO INTERFACE 8051 WITH HEXKEYBOARD. its displaying the only 3,6,9,c but not rest.
so can i get the correct code in C to interface hexkeyboard with 8051.
plz..plz..plz..help me
 

i know only how to interface printer with computer using vb or c code






sir,
thanks for your reply that code which u gave to interface rfid to 8051 worked.

now i need to interface a printer to 8051.

kindly tell me the steps and guide me plz

thanking you
saurabh
 

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