QICSAMD51Pots
This board starts with a SAMD51 – the same family as the Adafruit Feather M4. I loaded it with the Adafruit bootloader.
I then added:
Isolated USB
Larger external QSPI flash for sample storage (still untested)
External QSPI SRAM for longer delays (still untested)
MIDI in
Two potentiometers
All in a form-factor that minimizes breadboard usage, so you can squeeze some serious processing into the smaller QICboards.
PDF of schematic:
Altium source files:
Gerbers:
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