On Mon, 08 Aug 2011 21:44:16 -0500, Jim Brain <brain at jbrain.com> wrote:
I'm planning to make a board run of my PS/2 KB to
I'm wondering if anyone who might use the item has any suggestions prior
to my committing the design to the PCB fab house?
* Among other things, rs232 signalling are TTL levels. Is that an
issue? (I'm not sure how to add a level shifter without expanding
the board size.
* The board offers 24 pin DIP footprint and 2x12 headers for
* The PS/2 connector is on the edge of the board, but can be wired up
via pigtails. Is that OK?
Any suggestions welcome. I am hoping to offer the board in PCB form,
and in finished programmed form. I think the finished option would be <
$20.00, if that makes any difference.
Is that PC encodeded keys or ASCII code out?
PS. I think a nice IBM keyboard to Ascii converter would be handy.