This small bluetooth module from Dagu can be controlled by UART from a microcontroller in order to add wireless control to your robot. In particular, this is compatible with the Dagu Mini Driver Board and Dagu Micro Magician V2. Features Bluetooth connectivity Easy to use with Arduino compatible boards and the Serial library Default baud rate of 9600 Default pin is '1234' It can be controlled by smart-phone or computer, an android app is included. Each unit comes pre-assembled and tested. Supplied in an anti-static bag with additional mounting posts.