[James] is one of those guys on a quest to control ... The Bluetooth module runs from 3.3V, and reading serial data and flashing an LED is extremely simple. You should be able to use a small ...

To get the tones from speaker to the Arduino, he hacked the Bluetooth speaker ... something for controlling the LED display. And lastly, since he has a display, why not use it as a clock?

The SDK is compatible with a range of Arduino, ChipKIT shields that employ the nRF8001 Bluetooth Smart connectivity device. Arduino boards use series of development modules or ‘shields’ to create ...