MY-DM003 is a Bluetooth development board for Bluetooth 5.1 audio module MY-BT201. With this dev board, we can use the AT command for the Bluetooth speaker volume increase and reduce, baud rate and Bluetooth name testing. And uses USB port for the Bluetooth module BT201 firmware upgrade.

MY-BT201 is a Bluetooth audio module for audio receiver. It supports AAC, SBC audio codec, and could replace Bluetooth chip BK3266 audio module. The module could be used in Car DSP/DSD audio, Bluetooth Speaker, car central control, Bluetooth USB sound card application