Keyboard Builders' Digest / Projects
Chalk
Chalk is a 42-key ultra-low profile keyboard with PG1316s switches, shared by eqlair.
Published September 9, 2025
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Designed and shared by eqlair/vuoz, the Chalk is an ultra-low profile wireless split keyboard built around Kailh's PG1316s switches and XIAO controllers – following the author's somewhat similar but unibody Wingman project.
I am back with my second PG1316s board. A few weeks ago I announced my unibody PG1316s board, which was my first project around PG1316s switches. Now I am back to announce my second take on a PG1316s board. Here is a short overview of its features – eqlair.
Features
- 42 keys (6x3+3)
- ultra-low profile Kailh PG1316s switches (soldered)
- Seeed XIAO nrf52840 controllers
- 250mAh battery per half (battery life of up to 1.5monts on the master side)
- Totem-like pinky & ring splay
- 6.5mm overall thickness
- ZMK firmware with ZMK Studio support
Resources
Published on Tue 9th Sep 2025. Featured in KBD #198 (source).
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