The Accessory Shield for Bluno is specially made for the Bluno (BLE with Arduino Uno) microcontroller, which is the first of its kind in intergrating a BT 4.0 (BLE) module with an Arduino Uno. Together with the 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 shield creates the possibility for interactions between your Bluno and the physical world.
128x64 OLED Screen:Display messages from your phone interface.
Buzzer:Enable Sound notifications or simple music.