Bluetooth 5.1 lossless audio player

This is a multimedia player developed based on Jerry AC6955F, supporting Bluetooth 5.1 and SD card playback.

• Support Bluetooth 5.1, support Bluetooth dual mode (classic Bluetooth + EDR + Bluetooth low energy);
• Supports multiple audio formats, including MP3, wav, flac and ape lossless decoding;
• Support serial port AT command control;
• Multifunctional, supports Bluetooth audio, card reading music and other modes.

This player has verified the Bluetooth and TF card audio playback functions and both performed well.

The detailed parameters of the design are as follows:

• There are 4 function buttons on the right side of the board, which are used for function switching, switching between previous and next songs, and playback and pause functions;
• Use Type-C interface to power the player;
• The board is equipped with a lithium battery charging IC (TP4054) and supports battery power supply (recommended battery capacity is 400mAh);
• A power switch is added, which can completely cut off the battery power when not in use and extend the battery life;
• A serial port is reserved for debugging, and AC6955F can be controlled through AT commands.

Actual picture: