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Author Topic: 4x4 KeyPad+74922+PIC  (Read 2688 times)
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KhaledLotfy
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« on: January 15, 2008, 07:29:14 19:29 »

Please,if any one had worked with interfacing an 4x4 Keypad using the 74922 keypad decoder with the PIC micro,
so provide some code to enter floating point values to the PIC
Regrds
KhaledLotfy
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Silent_Thunder
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« Reply #1 on: January 16, 2008, 10:45:31 10:45 »

hi Khaled;
if you gonna use pic u don't need any extra keypad decoder, it is a piece of firmware.
just spicfy the language you gonna use, I might help you with some code.

regards
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Kafao
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« Reply #2 on: January 25, 2008, 09:59:11 21:59 »

Hello from me too.
For picbasic its very easy to write a routine for a keyboard, try to search and you will find many of them.
Its very easy!
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anemon06
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« Reply #3 on: February 14, 2008, 10:04:24 10:04 »

I worked with interfacing an 4x4 Keypad using the 74922 keypad decoder with the PICbasic. Attach circuit and basic files
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