Parameters:
Extension of 14 digital IO ports(12 servo interface) and power;
1 digital external power port terminal;
Digital-port external power supply and an on board power supply automatic switching;
RS485 interface
reset button;
xbee / Bluetooh Bee Bluetooth wireless data transmission interface;
APC220/Bluetooh V3 Bluetooth wireless data transmission interface;
IIC/I2C/TW Iinterface;
3.3V output port;
Specification:
Support Xbee (Xbee pro)
Support Bluetooth
Support APC220
Support SD card read/write