ER-USB-MIDI

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Features

Seeeduino XIAO RP2040

There are 14 GPIO PINs on XIAO RP2040, on which there are 11 digital pins, 4 analog pins, 11 PWM Pins,1 I2C interface, 1 UART interface, 1 SPI interface, 1 SWD Bonding pad interface.

Seeed-xinpin-rp2040.jpg

Design

  • XAIO RP2040 CPU

ER-USB-MIDI RP2040.PNG

  • MIDI Out jack

ER-USB-MIDI JACKS.PNG

  • Eurorack power

ER-USB-MIDI ERACK-PWR.PNG

  • J5, J6 = PJ366ST
  • Install both Pot/Jack headers/sockets
    • Female sockets on Controls card
    • Male Pins on Daughtercard

Daughtercard Prototyping Area

ER-PROTO-02-DB REAR PWR.png

Software

  • Load CircuitPython to card (using v7.x)
    • Press right button then insert USB cable
    • Drive will appear on PC
    • Drop CircuitPython uf2 onto the drive
  • Drop application and libraries onto card