Two USB interfaces FS & HS, working in both Host & Device mode to allow MIDI data streaming through BLE interface.
Requirements:
- USB FS and HS mode,
- USB Host and Device roles,
- USB MIDI class,
- BLE interface for MIDI message streaming and configuration,
- Firmware upgrade via BLE interface,
- MIDI message logging into non-volatile memory.
Major components:
- STM32F446 + nRF52832
- NCP316
- ST890
- SST26VF032
Number of PCB layers: 4
BOM price: 42 USD
Realization time: 10 weeks
