DAC and A/DHi - open to bidding

Using Diptrace 1. Draw schematic with given DAC chip from ESS and USB to I/2 from given supplier. 2. Once approved, generate PCB according to specifications 3. Create BOM 4. Write Program using Arduino to control DAC and display digital input and volume control 5. Same as above for A/D I would like to break this project up in to the following parts. 1. Create the DAC/Headphone project immediately. 2. Create Software on Arduino for control 3. Test project - I will do that and will send you finished part for future or current improvements. 4. Create A/D with same steps as above 5. Ongoing similar projects using XMOS etc.