UEXT connector which allows many existing modules like RF, ZIGBEE, GSM, GPS to be connected
USB OTG functionality on mini USB connector
All PIC ports available on 0.1" connectors
mini ICSP connector 0.05"step. If you do not want to use Pinguino IDE and you want to program this board with a PIC-ICD2-POCKET or PIC-KIT3, you should use also a PIC-ICSP converter board, the same applies for Microchip programmers.