資料來源:https://www.seeedstudio.com/Xadow---Breakout-p-1519.html
Perhaps you want to connect various modules to Xadow. For example, a IR sensor which can detect whether someone is here, You can connect the sensor to this Breakout Module.
You can find more modules here.
Note: This module is not compatible with any other Xadow version 2 or RePhone modules.