interfacing 4row 3 column keyboard

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pradeepubbala

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I want to know how to work with the row by column keyboard with basic
8051 controller such that i can expand it to C8051F0401
 
pradeepubbala said:
I want to know how to work with the row by column keyboard with basic
8051 controller such that i can expand it to C8051F0401
Click to expand...
Why are you starting multiple topics for the same problem?
 
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