Using XMOS XHRA-2HPA + BB PCM1794A + BB OPA1612 + BB OPA1622
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untz-4.6.cfg.binfirmware image (burn into SPI flash with quad mode enabled)octet-stream - 512.19 kB - 10/21/2017 at 02:50 |
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untz-4.6.cfgconfiguration file (use xConfigurator.exe downloaded from XMOS official support site and this file to generate firmware image)cfg - 2.64 kB - 10/21/2017 at 02:50 |
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headphone-cost.xlsxBOM/shopping listsheet - 31.17 kB - 04/08/2017 at 05:09 |
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headphone-power-v4.6.PDFpower PCB schematicsAdobe Portable Document Format - 1.48 MB - 04/08/2017 at 04:48 |
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20170407-2148 headphone-power-v4.6.zippower PCB fab package (OSHPark 2L)x-zip-compressed - 114.24 kB - 04/08/2017 at 04:48 |
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See project files.
I've spent way too much $ on this project --- would be a shame if I leave it in a naked state, but I am really reluctant to make a custom enclosure and have someone machine it because it's more $$$. So in I opened Digikey catalog, picked a box that roughly fits the main board, loaded the 3D model in CAD, put some holes in the box, and voila:
Now I need a drill press... better a mill. Or I could use my old good flush cutter and tear that damn piece of plastic off.
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Can I use this chip model for my headphone? I'm also working on similar program. You can see here more detail https://headphonesreviewss.com/how-to-hide-earbuds/
Hey, can you tell me which chip device you are using in your Headphone device? I'm making the similar project, you can see here the detail https://www.boneheadphone.com/vizio-sb3821-c6-review/ and I want to use the same chip.
Not sure what your project is (I see a review for a Soundbar).
There are multiple chips in this project: The USB-to-I2S bridge (now discontinued), the 2-channel DAC, and op-amps. You can find out what exactly they are in the Excel file I uploaded (in the project files section).
heyy can you sent me the hex-file of the flash memory please
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Good job for information
check my site
https://bijlimart.com/how-to-fix-bluetooth-headphones-when-only-one-side-works/