I need a PCB designed and assembled with these features. We can discuss further.
Board based on Beagleboard Beaglebone Black
Only the basics are needed. Sitara CPU, PCM5101 Audio PLL, Ethernet, I2C for Apple Auth chip and a TDA1540 DAC connected to the UART using Simultaneous Data Protocol
WiFi, USB, video, RCA output, Analog In, Analog Out not needed
Add a TDA1540 DAC per channel using serial connection
i2c required for apple auth
Must know Hardware, PCB Design, some Linux, Digital Electronics, Audio
Must have Distortion Analyzer, Oscilloscope