BB-ProMini.  Fits in processor socket on cpNode. Replacement for BB-Leo.  The BB-ProMini:

• uses the Sparkfun or DF-Robot format Arduino Pro-Mini, 5V, 16MHz
  
• has an on-board 1A 5V power supply which can be used to power LEDs driven by the cpNode and its IOXs
• requires and FTDI cable or adapter to program