Hi Joe,

      How about try Tips & Tricks - DS40040B, Hardware tip #5, and =20
#6, uses the variable rate to charge a cap, depending on the buttons =20
pressed, and a timer. Tip#7, seems to be your 4x4 keyboard trick. So =20
not sure you have this doc. already.

Heinz

On 26-Sep-10, at 6:02 PM, ivp wrote:

>> The Microchip Tips and Tricks (828_TIP.pdf) might be of help. This is
>> from the Masters 2004 set of classes.
>
> Thanks Colin, I'll look for it (2160 hits for 'tricks' search)
>
> This shows how to AN read a 4x4 keypad, no resistor values though
>
> http://ww1.microchip.com/downloads/en/DeviceDoc/chapter%201.pdf
>
> Joe
>
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