In Connecting to Intel® Edison from Android* with Bluetooth* LE (BLE) describes a way to access BT via Arduino code ... Turn on BT on your phone and connect to your Edison module 3.

Android apps ... lines between your Arduino and Bluetooth module, and provide the proper input voltage level. This method requires zero software pairing; your device and the module handle that on ...

It’s hard to imagine an easier way to set up communications between an Android device and an Arduino ... The Bluetooth module wants 3.3v logic levels so that is taken into account. The image ...

This is a simple project. It uses an Android device to switch an LED driven by the Arduino. Connectivity is provided by the Bluetooth module inserted in the breadboard. But one look at the UI on ...