DFRobot Accessory Shield for Bluno (Compatible with Arduino Uno) This Accessory Shield for Bluno is specially designed for Bluno (BLE with Arduino Uno), which is first of its kind in intergrating BT 4.0(BLE) module into Arduino Uno It also compatible with standard Arduino Uno With Bluno, this Accessory Shield forms an ideal prototyping platform for both software and hardware developers to go wireless With built-in seven main functional modules, this Accessory Shield is dedicated to aid interactions between your Bluno and the physical world