This E-blocks board contains a TDB BLU2i module which adds Bluetooth functionality to your E-blocks system. The class 1 Bluetooth module has a transmit power of 6dBm which should give a 100 yard transmission range at a data transfer rate of 100Kbps. The module is programmed using the serial I2C protocol, with an AT command superset, and can be interfaced to any microcontroller with a UART facility. The module is capable of supporting a range of Bluetooth protocols including LAP, Data, and the headset profile. A compatible E-blocks CODEC board for establishing headset audio transfer is available. Flowcode macros to support the use of this board are available.