AudioB I2S V4 Bluetooth Digital Audio Receiver Module - I2S slave
20 or more $10.45
If you want to build a digital Bluetooth amplifier board, AudioB I2S Bluetooth audio receiver module is a good choice for your project. This is a Bluetooth 5.1 stereo recevier module, I2S digital output and music resampling frequency is 48KHz. Apt-X supported. We breakout pins to 2x10 2mm space male pins. You can integrate it to your project easily. This module has a U.FL connector. You can connect an external 2.4G antenna with it by using a U.FL to SMA cable. This moduls has a JST port, you can connect our RGB Matel Push Button with cable to it, then use one button controls the multipoint(party mode) amplifier pairing.
The module PIN7,8,9,10 are I2S output pins, I2S voltage 3.3V.
- 7 - GND
- 8 - BCK I2S synchronous data clock, It's a 2.304MHz square wave signal.
- 9 - SD I2S synchronous data output.
- 10 - LRCK I2S word select, 48KHz. 1 - Left channel data, 0 - Right channel data.
How to use:
Single module
- Double click S1, module into pairing mode. (Voice: Pairing, blue LED flash 2 times per cycle.)
- Now, your smartphone will be able to find a new Bluetooth device which name is "AudioB I2S", connect it. (Voice: Pairing successful, blue LED flash 1 time per cycle.)
- You can play music now.
Party connection (multi modules can connected together)
- transmitter module
- Power up module, blue LED flash 3 times per cycle.
- Double click S1, module into pairing mode. (Voice: Pairing, blue LED flash 2 times per cycle.)
- Now, your smartphone will be able to find a new Bluetooth device which name is "AudioB I2S", connect it. (Voice: Pairing successful, blue LED flash 1 time per cycle.)
- You can play music now. If you only use one module, you don't need do the following steps.
- Single click S1, module will switch between transmitter mode and receiver module. Stop click when you hear voice: broadcast mode, it means the module is set to transmitter mode, Red LED is ON.
- receiver module
- Power up another module, blue LED flash 3 times per cycle.
- Single click S1, module will switch between transmitter mode and receiver module. Stop click when you hear voice: broadcast audio enabled, it means the module is set to receiver mode. Green LED is ON
- Press and hold S1 button about 1 second on transmitter module, press and hold S1 button about 1 second on receiver module, the transmitter module will auto searching (30 seconds) receiver module. Both transmitter and receiver module will be connected. (Voice: pairing successful)
- The receiver module will have music out now.
- If a new module want to join as receiver, repeat step1~step3 on the new module.
- If a receiver wants to quit, click S1 button on that module to set it into transmitter mode.
If you connected RGB Matel Push Button with cable to the mdule, it works same as S1 button on the module.
Features:
- Bluetooth 5.1
- I2S digital output
- Sampling Rate: 48KHz
- Bit per Sample: 16 bit
- Left Justified
- Justified Data 1 bit delay
- Apt-X supported
- Low power consumption: 5mA@5V
- HFP V1.6
- HSP V1.2
- A2DP V1.2
- AVRCP v1.4
- Support for smartphone application(APPs)
Documents:
- How to change the BT name
- Bluesuite2.5.0
- Dimensions
- Bluetooth Firmware
- How to burn the Bluetooth firmware
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