I put together the Command Pad Module because I wanted an easy way to connect an analog joystick to the Propeller Platform. The joystick doesn't have a depress button, so I put 4x 12mm switches with switch caps on the board. Also nifty; you can read the joystick position through R/C decay, or jumper J1 and J2 to use as a voltage divider.
You can learn more or pick one up on the project page. The schematic is also up there along with a rough object for using it with the Prop. Everything's available under the MIT license, you can download the diptrace layout off the project page, too.
Also, I have the joysticks available separately here.
Let me know if you have any questions / suggestions / comments!