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Helike 1.0 UA-E3010 | User manual
Released in November 2020, updated in June 2022
USound GmbH | www.usound.com | [email protected]
10.3.
UPDATE VIA SWD INTERFACE
The SWD interface is intended for programming and debugging the Helike 1.0 UA-E3010 firmware. This
interface should be used if the firmware is personalized. The open-source software is available from the
public git repository under
https://github.com/usound-audio/Helike 1.0.
The SWD interface is available on connectors J8 (Tag-Connect LLC, TC2030-IDC style connector) and on
J7 (standard 2.54 mm header type).
11.
TROUBLESHOOTING
11.1.
.WAV AUDIO REPRODUCTION
If .wav audio files are placed on the MicroSD card but are not reproduced by Helike 1.0 UA-E3010, please
ensure all the settings (switches and jumpers) are set according to section 6.1.
Note that Helike 1.0 UA-E3010 supports 16 bits stereo .wav files without BWF chunk. If your .wav files
include this information, they may not be reproduced correctly by Helike 1.0 UA-E3010. You can use the
sample songs available under
https://github.com/usound-tech/audio_device_configuration
