PolyVection VoltaStream ZERO is an open source audio streaming solution that runs Linux and features a high quality digital-to-analog converter as well as digital TOSLINK output capability. There is also a 40 way pinheader with access to 28 GPIO's. It is as small as 65 mm x 30 mm and very efficient. This PCB was created using KiCAD 4.0.5. The whole project is released under the Creative Commons BY-NC-ND 3.0 license. For details please refere to the full license text at https://creativecommons.org/licenses/by-nc-nd/3.0/legalcode
If you have any questions don't hesitate to contact us. We are also offering customisation and prototyping services. http://www.voltastream.com