> -----Original Message-----
> From: Torben Lund [SMTP:torben@PET.AUH.DK]
> Sent: Thursday, February 20, 2003 12:45 PM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      [PIC]: 4 * 4 keypad on 4 + 1 pins
>
> Hi,
> I have  earlier seen an application note with a 4 * 4 keypad using 4 pins
> and 1 for 'key pressed' (interupt via a transistor), but now I can't find
> it.
> If someone have writen a piece of software for it and will share that,
> life
> will be real nice.
>
I have a 3*4 keypad using 4 pins that could be relatively easily expanded to
4*4.  The code is badly in need of updating with some newer versions I
wrote, but a couple of people have used this successfully.

http://www.mikerj.clara.net/keypad.html

Regards

Mike

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