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Charybdis – DIY Kit with case and electronics

216.53 excl. VAT

Select your options:
Keycaps and cables not included


Innovative ergonomic split keyboard with a trackball

  • The Charybdis is an innovative keyboard-and-trackball designed to bring you the best of ergonomics available on the market, with an optimal layout and a feature-full thumb cluster
  • The concave keywells reduce finger travel, and the columnar stagger ensures the keys are placed optimally under your hands
  • The trackball conveniently placed under the thumb removes the need for a mouse – and all the movements to it


  • Designed from the ground up – case, PCB, qmk firmware
  • Comes with a number row and a 5-key thumb cluster
  • USB-C and 3.5mm jacks on both sides
  • Custom QMK firmware
  • Compatible with MT3, DSA, XDA, SA, KAT keycap profiles


Technical details

  • A custom flexible PCB makes it sturdy and easy to build
  • M4 Torx screws and Flexstrip ribbon cables
  • Custom sensor PCB for the PMW3360 mouse sensor
  • Detailed build guide


What’s included in the DIY Kit

3d printed components:

  • 2 cases
  • 2 plates
  • sensor holder (top)
  • sensor holder (bottom)
  • sensor cache


  • 2 PCBs for the plate
  • 2 PCBs for the thumbs
  • 2 Shield Adapter PCBs

Sensor electronics:

  • lens cache
  • sensor PCB (already assembled and soldered)
  • 6 Cables

Screws and nuts:

  • 12 M4 8mm torx screws
  • 12 heated screw inserts
  • 5 M3 screw inserts
  • 8 M3 screws
  • 3 bearings

Electronic components:

  • 2 Splinky RP2040 MCUs
  • 35 diodes
  • 2 Audio jacks
  • 2 Reset buttons
  • 30 Flat ribbon cables


  • 10 anti-slip pads
  • (optional) 34mm trackball


Cables, switches and keycaps not included.

Additional information

Weight 1 kg
Dimensions 20 × 20 × 20 cm

Any questions or ideas ? Email me at or join us on Discord


Copyright © Bastard Keyboards / Quentin LEBASTARD 2019-2021

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