Color Classification:
A: Differential analog output firmware, with call function
B: TWS output firmware, without call function
C: I2S output firmware, without call function
D: Differential analog output firmware, without call function
1. Using Qualcomm QCC3034 chip with 64M-FLASH on board
2. Bluetooth version 5.0, stereo, support sbc, aac, aptX, aptxLL, aptxHD
3. With battery power display (only supported by firmware with call function)
4. Bluetooth name AN3034SH_xxxxxx
5. Module size 1.3cm X 1.8cm
6. If there are special requirements, it can be customized according to requirements
7. The module supports USB sound card function
This function is to replace the previous sound card after the module is connected to the computer via USB, the sound of the computer
Audio and music are output through the module’s I2S or differential analog output. When the mobile phone is connected to the module via Bluetooth
After connection, the module automatically switches to the music played by the mobile phone
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The real baby pictures are as follows:
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The key controls are as follows:
MFB: Press and hold for 3 seconds to turn on when turned off, and it will automatically enter the pairing mode when turned on
Press and hold for 3 seconds to power off
PIO2: Long press the volume to decrease, short press the previous song
Long press to answer/hang up the call (only with call firmware)
PIO3: Long press the volume to increase, short press a song
Long press to reject the call (only with call firmware)
PIO4: Short press to pause playing music, short press again to resume playback
Long press for 3 seconds to enter the matching mode, long press for 5 seconds to clear the pairing list
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Port function:
1. PIO20 outputs high level when playing music, and outputs low level in other states
2. If the Bluetooth connection is successful, PIO21 outputs high level, and when disconnected, it outputs low level.
3. Turn on PIO52 to output high level
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Bluetooth status indication:
Waiting for pairing status: LED0 flashes once every two seconds
Pairing successfully: LED is always on
Play music & call: LED0 is always on
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Information link
Link: https://pan.baidu.com/s/1R4SgliPVh_tPUvJtmHmoJw
Extraction code: 3lyp
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The module has a matching function board and decoder board, if necessary, please search in the store or
Click directly on the picture of the decoder board
The picture of the decoder board is as follows: