AudioB I2S Bluetooth Digital Audio Receiver Module
If you want to build a digital Bluetooth amplifier board, then this AudioB I2S Bluetooth audio receiver module is a good choice for your project. This is a bluetooth 4.2 stereo receiver module, I2S digital output and Music resampling frequency is 48KHz. Apt-X supported. Based on CSRA64215. We breakout pins to 2×10 2mm space male pins. You can integrate it to your project easily.
The module PIN7,8,9,10 are I2S output pins:
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.
Quick press S2 to switch to the previous song, long press to reduce the volume
Quick press S3 to switch to the next song, long press to increase the volume
Press S1 to play or pause
if there is audio output, MUTE pin will be high level, otherwise, will be low level.
I2S digital output
Sampling Rate: 48KHz
Bit per Sample: 16 bit
Justified Data 1 bit delay
Low power consumption: 5mA@5V
Support for smartphone application(APPs)