Description

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