DYA Dash Split Keyboard

Features

• Controller: XIAO NRF52840
• Firmware: ZMK
• Switch: Kailh Choc v2, hotswappable (2pin)
• AAA battery (1.2V NiMH or 1.5V)
• Touch sensor buttons (See movie how it works)
• PMW3610 low power trackball sensor
• LED x 4 x 2 for BLE profile, battery level indication (See movie how it works)
• Hardware capability for below features (Not tested yet)
  • Dual trackball support
  • Wired connection

Build Guide

• V2.0 ビルドガイド
• V1.0 (試作) ビルドガイド

Firmware

Firmware is available in https://github.com/cormoran/zmk-keyboard-dya-dash.

You can download pre-built binaries in the release page.

The firmware supports keymapping update with ZMK studio.

Gallery

Schematic

Left side schematic

Double trackball supported

Colors

Bottom

LED indicators

4x2 LEDs indicates battery level, connected BLE/USB profiles and active layers depending on the setting. The schematic and firmware driver is optimized for battery usage. LED modules consume power only when required.

[!NOTE] The picture is old version's one

Shop

Now on sale in https://cormoran707.booth.pm/

License

• Firmware (./firmware): MIT. See detail in each git submodule.
• DYA logo (./img/dya.svg): All rights reserved.
• Other keyboard pictures under ./img: CC BY
• Hardware
  • kicad library (./hardware/kicad_library/*) and sch (*.kicad_sch): MIT
  • PCB (*.kicad_pcb): CC BY-NC
  • Case data (*.stl): CC BY

完全なコピー品が販売された場合に対応できるように PCB 設計を流用して販売することは禁止していますが、回路設計を真似たり似たような設計のキーボードを作ることを牽制したりする意図はありません。