Dragonboard audio mezz

Does anyone know where I can get the board schematics of DRAGONBOARD AUDIO MEZZ


You would need to contact Seeed Studios to see if they will release it.

I have it if you need it. I could send you a link to the file if necessary.
Let me know.

If the link to the schematic is public, it would be great if you could post it here :slight_smile:

Try this for now.

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Thanks Jean-Marc. You beat me to it [I was just copying it into todays TODO list… and then I removed it again :wink: ]!

Niiiice, the text in the PDF isn’t searchable. Heck, it isn’t even text.

Does anyone actually try to use this stuff before it gets out?

Hi @bgat:

This version of the schematic and documentation isn’t too bad: http://static6.arrow.com/aropdfconversion/840e01f925d80cedd76b4ae507590f97ec8944ce/productspecification-audiomezzanineboard.pdf

The right hand edge of the schematic is cropped off, but the text is searchable. The only significant thing missing is the output capacitor on the 1.8V regulator. I have an older version of the schematic (I did the first revision), but Seeed Studio made some minor changes and they are not in my schematic and layout.

Full Disclosure: I am an employee of Qualcomm Canada, any opinions I may have expressed in this or any other post may not reflect the opinions of my employer.


Does his can help for Win10 IoT Core enable Cortana? IoT looks like hardware hacking…

You can enable Cortana with or without this board, and I think you’ll need to populate the 8x2 2.0mm header on the board in order to make the audio on this board work.

I do not know why that header was not populated at the factory, and using those connections is required to use audio, I believe.

The board itself, without those headers populated on the 410c is just a grove connector board.