Yes, you will need to configure it using AT commands. In my case, 14 commands sent. Make sure you have purchased the correct firmware version “DAC” first.
在 2025年1月12日，23:00，JUAN AGUSTIN via groups.io <avemirat@...> 写道：
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Hello, I have modified my adx-s to install the bt401 module, but I have the problem that it is not bidirectional, when changing the ft8cn software to TX the bt401 module does not send the audio to the adx. Should I configure something else in the bt401? Thanks
