Xadow - BLE Slave ----------------- ![enter image description here][1] 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. ![enter image description here][2] Xadow is a though small but perfectly formed Arduino(TM) compatible board series containing several modules. It's a kit extremely suitable for space-sensitive projects such as wearable devices & arts designs, which have higher request on size, weight and flexible cascade connection. You can find more modules here. For more detail, please visit: http://www.seeedstudio.com/item_detail.html?p_id=1519 [1]: http://www.seeedstudio.com/wiki/images/thumb/9/92/Xadow_ble_01.jpg/300px-Xadow_ble_01.jpg [2]: /editor/20160116/5699e9ce5e325.png