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Hi, I would like to know how do we control a 16 input keypad...

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Question by Shaik
Submitted on 9/1/2003
Related FAQ: 8051 microcontroller FAQ
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Hi,
I would like to know how do we control a 16 input keypad with a 89C51 Micro controller.?
Is there any example of program for 89C51 ?
Thank You,


Answer by phan nhat giang
Submitted on 4/17/2004
Rating:  Rate this answer: Vote
uses 2 ports p1 and p2 in matrix, p1- input, p2- output

 

Answer by Mehran
Submitted on 5/3/2004
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micron

 

Answer by Mehran
Submitted on 5/3/2004
Rating:  Rate this answer: Vote
micron

 

Answer by Mehran
Submitted on 5/3/2004
Rating:  Rate this answer: Vote
micron

 

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