Aria Extension Board is a motherboard for Aria Board, It contains interfaces such as LCD, Touch Screen, Ethernet, USB Host, USB client, SD card, Battery and MEMS microphone. Audio In/Output.

Aria Extension Board是Aria board的底板，含有LCD屏幕，电阻触摸屏，以太网，USB主从，SD卡槽，锂电池接口，数字麦克风，模拟音频IO。