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[SOLVED] Alphanumeric keypad (sms Type) interface with 16f877A in mikroC

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demetal

demetal

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HI,

I am repeating...

I am doing a project to get input data from a 4X3 matrix key pad (just as in mobile) and display it in lcd using pic 16f877A.... the keys are like (.,1),(abc2),(def3),............(wxyz9).... i dont know how to write code for key identification as it uses multiple character in a single key..... if any one knows c code in mikroC please help....
keypad.jpg
 

ckshivaram said:
check this https://www.edaboard.com/threads/23642/
Click to expand...


thanks for the information... but it still seems to be a confusion... i dont know Hi-tec C..... only i know is mikroC.... i just want the algorithm to get multiple character from a single key... on basis fo number of times pressed just like mobile key pad.....

please help..
 

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