The Eurorack Dev Kit is open-source hardware, and carries essential circuitry to employ Daisy for modular synth applications.

Hardware Parameters
Eurorack development kit for the Daisy Seed3
3U mountable - width: 28HP
Stereo audio I/O (AC-Coupled)
MIDI I/O
4 CV ins, 2 gate in, 2 CV outs
8 potentiometers
2 toggle switch, 2 tactile switch
microSD card reader onboard

The Seed 3 Eurorack Dev Kit is the premiere development board for building your next Eurorack module on the Daisy platform. Create powerful effects, stunning sound sources, and complex utilities all on a single board.

The Dev Kit carries a host of hardware parameters, including 8 potentiometers, jacks for CV, gate, MIDI, and stereo audio IO, 2 toggle switches, 2 tactile buttons, and a microSD card reader for sample playback, file generation, and data transfer.

Mountable in a standard 3U Eurorack case, the Dev Kit is ready to seamlessly integrate into your development environment and to fully realize your next big Eurorack project.

https://daisy.audio/products/seed-3-eurorack-dev-kit