DSP40 PCB - 40% Staggered or Ortholinear Keyboard


40% PCB with 12 columns that supports staggered or ortholinear layouts.


  • On-board STM32F072 controller
  • USB-C port
  • Switch support: MX-compatible switches only
  • Supports an encoder at the top-left corner of the board
  • In-switch, single-color LED support
  • Compatible with Yui40 case by SirCheddar
  • Layout options: KLE for DSP40
  • Pre-flashed with QMK Firmware that has VIA configurator support
  • Note: Keyspacing is 19.05mm, so this PCB is not compatible with Planck cases/plates, which have a smaller keyspacing or 19mm.

 Items Needed for Build:

Case Files:

  • Plate files and 3D-print files for the middle layer and top shell are provided on GitHub here: DSP40 Case Files

Default Layout Images

The default keymaps can be changed QMK Configurator.