While age I ordered the KPA100 PA -kit for my Elecraft K2. I never got around to building it until now when I want to computer control the K2. KPA100 kit also includes the KIO2 feature which enabes computer control with RS232 cable ( remember RS232 ? ).
So, the build project has now started. It will probably take a long time to finish the build but then again I’m in no hurry.