AK1052C Bluetooth BLE dual-mode audio module

AK1052C_BT_Module is a high-performance Bluetooth BLE dual-mode audio module for wireless stereo Bluetooth card speakers. This module realizes the core functions of Bluetooth speaker products, including Bluetooth communication, audio codec, system control, card playback, U disk playback, and support for infrared remote control. Because it supports the BLE data transparent transmission protocol, it can communicate with the IOS system for Bluetooth data. Therefore, this module can be used as a Bluetooth point reader, a Bluetooth handwriting point reader, and other products that require data interaction control with the mobile APP. The normal communication distance of Bluetooth is 10M, and the maximum communication distance is 20M.

AK1052C_BT_Module integrates main control chip AK1052C, bluetooth chip RTL8761AT, 2MB SPI flash and crystal oscillator etc. Reserve the Bluetooth antenna interface and provide rich peripheral interfaces, including USD2.0, SD/TF card interface, stereo audio output interface, microphone interface, line-in interface, AIN analog key interface, GPIO interface.

External SPI FLASH, the capacity can be selected from 16M~128M

Class 2 power level

Comply with Bluetooth V4.0 specification and Bluetooth V2.1+EDR specification

Support A2DP, AVRCP, HFP, SPP, ATT protocols

Bluetooth communication distance: there is no obstacle in the line of sight, the normal communication distance is 10m, and the maximum communication distance is 20m

Provide AIN button interface

Provide LED status indicator control interface

Provide Line-in audio input interface

Provide stereo audio output interface

Built-in lithium battery charging circuit

Working voltage range: 3.4V~4.2V, support lithium battery and USB power supply

Module size: 27.5mm*21.0mm

The standard configuration is 2MB SPI Flash, which can be flexibly configured according to user needs

Reserved TWI interface

Provide IRDA infrared remote control interface

Provide SD/TF card interface for connecting SD/TF memory card, maximum support 32GB

Provide USB Host interface for connecting U disk, maximum support 64GB U disk

Provide USB Slave interface for program burning and USB sound card function

Built-in audio decoder, supports audio decoding in AMR, APE, FLAC, MP3, OGG, WAV, WMA formats

Support Bluetooth stereo playback, compatible with various handheld Bluetooth devices such as mobile phones and tablets

Support Line-in audio playback

Support infrared remote control function

Provide Ankai standard mobile APPS client (Android, iOS) and source code.

The client can realize the following functions (mobile phone music playback, remote TF card music playback, remote U disk music playback, Bluetooth speaker power display, Bluetooth speaker volume control, EQ sound effect settings, support pop, rock, classical, soft, vocal and Customization, etc., system information display (device name., software version, product serial number, etc.)

Built-in lithium battery charging circuit, support lithium battery charging