관련 예제 : http://blog.naver.com/roboholic84/220471390567
Description: This RN-52 Bluetooth from Roving Network is an audio module that provides a highly integrated solution for delivering high quality stereo audio in a small form factor with little difficulty. This module is perfect for a project involving hands free audio for your car, remote controlling your media center, or streaming 2-channel audio.
The RN-52 module combines a class 2 Bluetooth radio with an embedded digital signal processor (DSP). The module is programmed and controlled with a simple ASCII command language. It provides a UART interface, several user programmable I/O pins, stereo speaker outputs, microphone inputs, and a USB port.
Fully qualified Bluetooth module
Fully configurable UART
Dual-channel, differential audio input and output
Supports iAP profile
Low power sleep mode
Maximum over air data rate of 3.0Mbps
Compatible with all Bluetooth products that support SPP (almost all do)
Embedded Bluetooth stack profiles: A2DP, AVRCP, HFP/HSP, and SPP