ryan pogge wrote:
>
> Ok,
> I reallllllly need some help here .
> I desperatly need to interface a 4x4 matrix keypad to a ps2 port

Perhaps using a 74C922 16-key encoder chip. It give a 4 bit binary
output depending on the key pressed and a 'data available' bit as well.
Should be able to power it from the Paralel port, and it uses a single
cap for debounce.

--
Best regards

Tony

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