DYA Split Keyboard

Features

• Controller: RP2040-zero (QMK) and XAIO NRF52840 plus (ZMK)
  • ZMK firmware is not available yet, since XAIO NRF52840 plus cannot be used in Japan for now.
• Layout: US and JIS
• Switch: Cherry MX compatible, hotswappable
• LED x 12 (left 4, right 4 + 4 indicator)
• PMW3610 low power trackball sensor
• Optional features by soldering additional parts
  • Lipo battery support for XAIO
  • AAA battery (1.2V NiMH or 1.5V) support

Build Guide

V1.0 部品取り付け済み基板（日本語）

Firmware

Pre-built QMK firmware is available in latest build's artifact section in this github actions.

Three binaries (via, us, jis) are zipped in dya_qmk_latest.zip. via binary supports VIA and Remap to change keymapping. Keyboard definition json for VIA is available in ./firmware/qmk/keybaords/dya/dya-via.json.

Gallery

• Keycap: acid-caps or no-brand white cap
• Trackball: 34mm

US Layout setup

LED decoration and indicators

JIS Layout setup

Schematic

Shop

Available in https://cormoran707.booth.pm/items/6705756

License

• QMK firmware (./firmware/qmk_firmware/*): Inherits its license. Majority of them are under GPLv2. See its own repository.
• 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