Genovation (www.genovation.com) has several programmable keypads in
three broad categories:

A) the USB HID series that becomes a Windows or Mac keyboard
   recognized by the operating system.  These would require custom
   software to capture the specific keyboard/keypad and forward the
   macro strings to a specific serial port or USBtty device in
   coordination with any logging/serial control software.

B) the USB Virtual Serial devices.  These create a virtual serial
   port on the computer that would need to be coordinated with any
   logging/serial control software - typically be means of a port
   sharing driver (e.g. VSPE or equivalent).

C) the RS-232 devices.  These are a simple serial keypad that could
   be connected directly to the "PC" port of a K3 or P3 if no computer
   was in use or connected in parallel using a passive port splitter
   like the one from BackBox (a diode matrix).  The RS-232 devices
   can also be connected to a computer serial port and coordinated
   with logging/serial control software bu means of port sharing
   software.

The 24 button keypads seem to be available in the $85 - $100 price
range depending on distributor.  Check the "distributors" list on
the Genovation web site.   The HID versions seem to be available from
the larger office supply stores and Amazon.

73,

  ... Joe, W4TV


On 2015-02-20 10:51 AM, David Cole wrote:
Hello,

A bit ago, there was a discussion about an external macro tablet, that
could be connected to the K3.  This looked very interesting to me, and I
think I want one...  This brings up two questions.

1.  Any suggestions for one at a good price.
2.  How EXACTLY does it connect to a K3 with a P3 and a computer
connected?


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