keyboard

Hand-soldered ergonomic split 3x6 keyboard with 5 thumb keys

Designed for the RP2040 Zero and Kailh Choc low profile key switches. Check it out in the QMK Configurator.

See Building My First REAL Handwired Split Mechanical Keyboard by Joe Scotto for an intro, and the more detailed How to Build a Handwired Keyboard for an in-depth guide to hand-soldered keyboards.

Model

OpenSCAD model in keyboard.scad. See live render in OpenScad Playground.

The OpenSCAD model is lacking walls between the main matrix and the thumb cluster. See the STL files for a complete printable version of the base and bottom plate.

Parts and Tools

• RP2040 Zero Microcontroller

• Kailh Choc Key Switches

• Kailh Choc Keycaps 50 Pcs

• Kailh Choc Keycaps 5 Pcs

• Diodes

• 4 Pin 3.5mm Jack Socket

• 4 Pin 3.5mm Jack Cable

• 2m USB-C Cable

• 1mm Non-Enameled Copper Wire

• 1mm Heat Shrink Tube

• 5mm M3 Flat Head Screw

• 3mm M3 4.5mm OD Insert

• Rubber Anti-Slip Pads

• Foam Pad

• Wrist Rest

• Angled Tweezers

• Soldering Iron Stand

• Soldering Iron Cleaner