Bluetooth module 5.0 stereo audio receiver module board Bluetooth audio module Chinese voice -77024
product detail
The default Chinese version, if you need the English version of the module, please contact us before placing an order. Thanks
Introduction：
KCX_BT003 is a multi-purpose Bluetooth-compatible audio decoder board integrating Bluetooth-compatible audio, Bluetooth-compatible calling, and MP3 decoding. In Bluetooth-compatible mode, it supports matching various smart phone players on the market to play music, and supports incoming call voice reporting, answering calls/hanging up calls/recalling recent calls, Bluetooth-compatible background connection and other functions. In music mode, it not only supports commonly used MP3 format audio, but also supports decoding of high-quality audio formats such as WMA, WAV, and FLAC. Just insert this decoder board into your design, you can upgrade ordinary wired audio products to wireless Bluetooth-compatible audio products.
Typical application：
● Home Bluetooth-compatible Speaker
● Speaker repair
● Modification of car player
● Computer speaker upgrade
● Bluetooth-compatible MP3 decoder
Features and advantages：
(1): Excellent durability and coexistence
(2): Ensure the stability of Bluetooth-compatible transmission through a variety of technologies
(3): Intuitive LED indication
(4): Voice prompt
(5): Convenient and easy to use
(6): Wireless transmission distance ≥10 meters
(7): Adopt the latest Bluetooth-compatible 5.0 protocol, backward compatible with other versions of Bluetooth-compatible protocol
Function description：
(1): It has USB sound card playback function (when USB is connected to the computer, it enters the USB sound card mode, the back plug has priority, and it cannot enter this mode. When the USB is connected to the computer, the boot will give priority to enter the USB AUDIO mode).
(2): With Bluetooth-compatible audio playback function, Bluetooth-compatible call function, incoming call voice reporting function, Bluetooth-compatible background function (in other modes, the phone should automatically enter the call mode to report the voice, and then return to the mode before the incoming call after hanging up) (Device name: Bluetooth-compatible Audio)
(3): With U disk playback function (when a U disk is inserted into the U disk play mode, the latter will have priority, and no U disk will skip this mode online)
(4): With TF card playback function (with TF inserted into the TF card mode, after insertion priority, no TF card online skip this mode)
(6): With Chinese (English) voice prompt function (you can choose to purchase Chinese version voice and English version voice), the priority of each mode is from high to low: USB sound card => Bluetooth-compatible => U disk => TF card (USB sound card, U disk, TF card, when it is detected to be offline, press the mode button to automatically skip the corresponding mode)
(7): Music mode supports decoding formats: MP3, WMA, WAV, FLAC.
(8): Support track breakpoint and volume power-down save.
Description of external keys：
VOL- key: short press: volume -, long press: volume continuous-
VOL+ key: short press: volume +, long press: volume continuous +
PREV key: short press: previous song, long press: fast rewind
NEXT key: short press: next song, long press: fast forward
P/P button: short press to play pause/double click to call back/long press mode switch (when U disk, TF card, USBAUDIO are not online, only press this button in Bluetooth-compatible mode to not switch modes)
Incoming call: short press to answer/long press to reject
During a call: Short press to hang up the current call
In Bluetooth-compatible mode: double-click to call back the last call
Bluetooth-compatible connection and pairing instructions：
After power-on, you hear the voice prompt "Bluetooth-compatible Mode", indicating that the module has entered the Bluetooth-compatible mode, turn on the Bluetooth-compatible switch of the mobile phone, search for nearby Bluetooth-compatible devices for a few seconds, and then see the Bluetooth-compatible device named "Bluetooth-compatible Audio" and click connect on the mobile phone. Can connect to mobile phone Bluetooth-compatible. After connecting, the decoder board will play the voice prompt of "Connected successfully". At this time, turn on the player of the mobile phone to play music, and the music on the mobile phone can be wirelessly transmitted to the decoder board via Bluetooth-compatible.
Connection operation:
1. Power on the module (external status indicator flashes)
2. Enter the system settings
3. Turn on the Bluetooth-compatible switch
4. Search for Bluetooth-compatible devices
5. Connect Bluetooth-compatible
Incoming call answering and calling:
When there is an incoming call from the mobile phone connected to the Bluetooth-compatible module, the module will send out a voice to announce the caller's number. You can short press the P/P button of the Bluetooth-compatible module to answer the call. After the call is connected, the call audio signal comes from the electret microphone connected to the Bluetooth-compatible module (to use the Bluetooth-compatible module call function, the Bluetooth-compatible module must be connected to the electret microphone, otherwise the other party No sound can be heard). In addition, you can also switch to the phone to answer or the Bluetooth-compatible module to answer at will during the call.
Status indicator description:
Pairing: LED flashes quickly (on and off for 250ms each)
During MP3 playback: LED flashes slowly (on for 500ms, off for 500ms)
Pause state: LED is always on
Bluetooth-compatible playback: LED flashes twice every 2s
