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The purpose of the system is to play demo music files on a multiple speakers audio system via an Android Application in a retail environment. The system includes an audio controller which is connected to a Android device through Android Open Accessory Protocol.
- System Reliability
- Design reliable communication protocol to Android device
- Hi-FI Audio Quality
- Communication to Android device over USB Real-time Audio Stream to multiple devices Reliable System Testing
The system's key components:        - STM32F105 ARM® CortexT - M Microcontroller
As with many elegant solutions, this system's simple user interface belies its complexity.