Sputnik Split Keyboard |Handwired Corne| ZMK |Ergo
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Description
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Affordable DIY ergonomic split keyboard designed for THOCK.
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This handwired, wireless build uses a Pro Micro nRF52840 (Nice!nano V2 clone), ZMK firmware, and repurposed 13×34 mm ~550 mAh vape cells.
A sandwich case with felt between plate and case plus thick 3D‑printed keycaps delivers a deep, thocky sound. STEP files are included.
- Wireless + wired: ZMK BLE wireless; USB wired works too
- Controller: Pro Micro nRF52840 (Nice!nano V2 clone)
- Battery: 13×34 mm ~550 mAh repurposed vape cells
- Sound: Felt-damped sandwich case + thick printed keycaps = THOCK
- Files: Full case/keycap 3MFs (print-ready) + per‑part STEPs
- Firmware: Prebuilt UF2s included for reference wiring; supports ZMK Studio
- Handwired: BOM excludes soldering tools/consumables by design
Build it for around €20 using the provided BOM. If you wire per the diagram, flash the included UF2s; if you change wiring or MCU, build your own ZMK.
GitHub (files, guide, firmware)
Enjoy printing!
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Documentation (1)
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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