Solanum v2

Solanum

Solanum is a 34-key diodeless split keyboard based around Pro Micro compatible MCU modules. It features support for both wired and wireless builds and has been designed to be easily hand-assembled. The PCB is reversible and hotswap with support for Kailh Choc (v1) switches.

Features

The layout of Solanum differs from the typical 34-key split in that it has only one thumb key, and a reachy pinky key. Nominal key spacing is 19x18mm. All columns features a slight splay; the pinky columns are splayed more aggressively.

The top face of the switchplate (i.e., the face which is visible on the left hand side of the keyboard) features a botanical illustration of Solanum melongena, the eggplant.

Solanum includes support for a splitkb.com tenting puck

It features a TRRS port for wired builds, and a dedicated battery JST and power switch for wireless builds.

BOM

• 2x PCB
• 2x switchplate
• 2x Pro Micro compatible MCU module
• 34x Kailh Choc hotswap sockets
• 34x Kailh Choc switches
• 34x 1u Choc keycaps
• 12x nylon M2 screws
• 12x nylon 1mm M2 washers
• 12x nylon M2 nuts

For wired build:

• 2x PJ-320A TRRS jack
• 1x TRRS cable

For wireless build:

• 2x JST S2B-PH-K-S
• 2x C&K OS102011MA1QN1

Optional:

• 2x splitkb tenting pucks
• 2x 3D printed MCU cover (from extras/)
• 4x 6mm M2 standoffs

Build guide

https://docs.eggs.works/docs/build-guides/solanum/

Firmware

ZMK: https://github.com/eggsworks/zmk-config/

QMK: https://github.com/eggsworks/qmk_firmware/tree/solanum/keyboards/eggsworks/solanum

License

Solanum is provided under the terms of the GPL v3. The following portions are derived from other projects:

• Choc, Pro Micro, TRRS, and jumpers used on the JST footprint: keyboard_reversible.pretty by 50an6xy06r6n (MIT License)
• Tenting puck: tenting_puck by splitkb.com (MIT License)
• JST, SPDT, and mounting holes: KiCad footprint library (CC BY-SA 4.0)