Actually any Neurosky Thinkgear -protocol compatible device will do.
Uses Teensy 2.0 in USB-serial mode, BlueSmirf Silver in master mode, OpenLog and DS1307 RTC.
Clone this repo to your arduino sketch folder, then clone the following repos to libraries folder:
- git://github.com/rambo/I2C.git
- git://github.com/rambo/i2c_device.git
- git://github.com/rambo/ds1307.git
Clone git://github.com/rambo/Arduino-Brain-Library.git to you arduino sketches library and symlink the "Brain" subdirectory to your arduino libraries.