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Saru48W+ Mechanical Keyboard

License: GPLv3

tags: ZMK

Status: Currently under development.

An ortholinear 13x4 hand-wired custom Mechanical Keyboard based on the nice!nano.

My third keyboard designed from scratch, this time with Bluetooth connectivity.

Components

  • 1x nice!nano (ZMK), USB-C and Bluetooth [Buy]
  • 1x 3.7V 503040 600mAh LiPo battery [Buy]
  • 48x switches [Buy]
  • 1x EC11 encoder [Buy]
  • 30x M2 5~6mm screws [Buy]
  • 6x M2 nuts [Buy]
  • 12x M2 10mm stand-offs [Buy]
  • 2x M4 Low profile brass heat inserts [Buy]
  • 2x M4 6~8mm Socket cap head screws [Buy]
  • 1x micro switch (power) [Buy]
  • 1x micro push button (bootsel, reset) [Buy]
  • 3D printed case, plate, feet

Story

I wanted a more compact portable keyboard with Bluetooth connectivity and an encoder. Different MCU, different firmware.

Keymap (dev)

Keymap

Wiring

Wiring

Repository

https://github.com/slabua/keyboards/tree/main/saru48wplus

Firmware

https://github.com/slabua/zmk-config-saru48wplus

3D Model

3D model of Saru48W+ rev1 also available on: Onshape: [Link] (Coming Soon)
Thingiverse: https://www.thingiverse.com/thing:6428317
Printables: https://www.printables.com/model/717305-saru48w-rev1

Some photographs [More]

image

Build process [More]

image

CAD renders [More]

image