LUXUS AUDIO  BTBN40AP - Bluetooth 4.0 module

If you want to build a simple Bluetooth amplifier board. AudioB plus The Bluetooth audio receiver is a good choice for your project. This is a bluetooth 4.0 stereo recevier. Based on CSR8635. We have 2x10 2mm gap pin breakout pins. You can easily integrate it into your project.

Specific Parameters

CSR8635 chip

Dimensions 3.5 x 2.4 cm

Bluetooth 4.0

HFP V1.6

HSP V1.2

A2DP V1.2

AVRCP V1.4

1. Quickly press S2 to go to the previous song, long press to decrease the volume
2. Quickly press S3 to skip to the next song, long press to increase the volume
3. Press S1 to play or pause
4. if there is audio output, the MUTE pin will be high level, otherwise it will be low level.