Keyboard Builders' Digest / Projects

Lapka 42

Nikita Shirokov's Lapka 42 is a wireless low-profile split keyboard with splay.

KBD.news
Published February 9, 2026

Nikita Shirokov aka braindefender, author of the original 36-key Lapka and the popular KLP Lamé keycap profile by the way, released the Lapka 42, a layout variant with an extra column – now with hotswap sockets and diode matrix.

Ergonomic keyboard for smaller hands – braindefender.

Features

• 42 keys (6x3+3)
• low-profile Choc V1/V2 switches
• hotswap, Choc spacing (18x17mm)
• nRF52840 controller (SuperMini, nice!nano)
• splay
• 3D-printed case
• ZMK/RMK firmware

Resources

• https://github.com/braindefender/lapka-42/

Published on Mon 9th Feb 2026. Featured in KBD #206 (source).

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