Extended 14 digital IO ports (12 Servo Interface) and power
6 analogue IO ports and power
1 digital port external power supply terminal
Digital port and on-board external power supply automatic switching
1 External power supply input terminal and input pins
RS485 Interface
Reset button
Interface for xbee/Bluetooth Bee Bluetooth wireless modules
APC220/Bluetooth V3 Bluetooth wireless data transmission interfaces
IIC/I2C/TWI interfaces
3.3V output port
SD card module interface

Ως εξάρτημα, δεν καλύπτεται από εγγύηση