This Bluetooth module ties directly into the Tx and Rx lines of the Arduino so a wireless serial connection between an Android device can be established.

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.

IntroductionBluetooth® Low Energy (Bluetooth® LE or BLE) is a low-power, short-range wireless communication technology that is ideal for use on the Internet of Things (IoT). BLE is designed for ...

[Bill2009] has made some nice progress on a control panel for his motorcycle over at the arduino.cc forums. It can show speed, tachometer readings for the wheel and engine, as well as indicate the… ...

Makers, developers and hobbyists that are looking for a low-cost Bluetooth Arduino compatible micro controller that can be controlled and programmed ...