In Connecting to Intel® Edison from Android* with Bluetooth* LE (BLE) describes a way to access BT via Arduino code but additional BT shield/kit is required.

In this project, we create a joystick-controlled laser by connecting two servos to a joystick and using this setup as a pan-and-tilt controller for a ...

The project is build around an Arduino ProMini, an FTDI breakout board, and a Bluetooth module. It’s a fairly simple build, but the meat of the project lies in the code.

Arduino announced today a new controller, the Esplora, which includes more prebuilt features and could be a step for Arduino toward a wider segment of the microcontroller market.