BT201 dual-mode 5.0 Bluetooth lossless audio amplifier board module TF card U disk BLE SPP serial port transparent transmission
Function introduction
1. Support Bluetooth audio, BLE data transmission, U disk playback, TF card playback. Support MP3, WAV, FLAC, APE format decoding
2. Optional: Serial AT command control. Support to modify the baud rate, modify the Bluetooth name, specify device playback, and mobile data transmission
3. support BLE and SPP dual-mode data transparent transmission, while also playing Bluetooth audio, no conflict
4. support Bluetooth calls, multi-button control, the previous one, the next song, play pause, adjust the volume and other simple functions.
5. support to get the full file name for playback, serial port to specify the path to play, loop or single play
6. support 128KBS recording function. Record to TF card or U disk, recording delete playback, etc.
7. Easily dock E-apps or develop WeChat applets. Achieve mobile phone control
Public function ：
1, 16-bit Stereo DAC with headphone amplifier, SNR >= 95dB
2, free of crystal load capacitance, the chip automatically generates Bluetooth MAC address, no need to scroll and burn
music function ：
1, support IP3, WAV, VMA, FLAC, AAC, APE format full decoding
2, the maximum support for 128G U disk and lower F card 3, support breakpoint memory and track memory function
Bluetooth function features：
1. Support Bluetooth audio transmission to connect mobile phone to transfer music, support playback pause, switch up and down
2, support Bluetooth call function, users can set cancel, support answer, hang up, callback, reject and other functions
3, Bluetooth 5.0 version, support HFP / A2DP / AVRCP / HSP / GAVDP / I0P / SPP / BLE, distance 10M The left and right
4, Class 2 4dbM frequency range is 2. 4G-- 2.480G
5, support BLE transparent transmission function, separate connection "BT201-BLE" support SPP transparent transmission function
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