Sonsivri

Electronics => Pic Basic Languages => Topic started by: KhaledLotfy on January 15, 2008, 06:29:14 18:29



Title: 4x4 KeyPad+74922+PIC
Post by: KhaledLotfy on January 15, 2008, 06:29:14 18:29
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


Title: Re: 4x4 KeyPad+74922+PIC
Post by: Silent_Thunder on January 16, 2008, 09:45:31 09:45
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


Title: Re: 4x4 KeyPad+74922+PIC
Post by: Kafao on January 25, 2008, 08:59:11 20:59
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!


Title: Re: 4x4 KeyPad+74922+PIC
Post by: anemon06 on February 14, 2008, 09:04:24 09:04
I worked with interfacing an 4x4 Keypad using the 74922 keypad decoder with the PICbasic. Attach circuit and basic files