Keyboard Builders' Digest / Projects

Ambra

The 34-key wireless Ambra, designed by stozi, is a nice split keyboard with vertical thumb clusters.

KBD.news
Published May 8, 2025

Ambra is a Kalmar/Architeuthis Dux-based 34-key wireless split keyboard with vertical thumb cluster. Designed and shared by stozi/storxian. Thumb keys are mount at 90° with pogo pins and 3D-printed magnet brackets.

So far the geometry is good, it's usable, but magnets are coming in the mail that'll make it solid. My index finger may lightly graze the thumb keys but they're not in the way – storxian.

АМБРА / AMBRA, featured on the PCB, means Ambergris in Russian/Greek – and many more languages I guess.

Specs

• 34 keys
• low-pro Choc V1, Gateron K-33 support, hotswap
• reversible PCB
• SuperMini NRF52840 MCU (Pro Micro footprint)
• tenting puck support
• ZMK

Resources

• https://github.com/stozi/ambra

Published on Thu 8th May 2025. Featured in KBD #191 (source).

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