splitkb Halcyon · Ferris rev1 · production profile
Layer Atlas
Explore the physical 34-key layout, then inspect the active layer, encoder mappings, tap dances, combos, macros, and optional on-device RGB profiles.
34keys
13layers
135×240TFT pixels
Explore configuration
Choose a layer
Layer families stay grouped so related typing, navigation, editing, and hardware controls remain easy to scan.
Active layer
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L1
Physical geometry
One Ferris Sweep geometry model is mirrored for the opposite half. The alpha stagger uses canonical QMK key-unit coordinates; Halcyon thumb keys sit below the alpha row at 3.5u/3.75u and 4.5u/4.0u with the Vial 15°/30° angles. Keycaps are never allowed to overlap.
Physical controls
Hardware mappings
Encoder directions and module actions for the active layer.
Left encoder mapping
Right encoder mapping
Left module action—
Right module action—
Legend & display notes
faint / dashed = transparent / inherited
tap · hold shown separately
number badge = available combo(s)
select any key for exact source value
TFT animation is a visual emulator
Reading canonical Vial profile…
Inspector
Selected control
Select a key or encoder direction.
Configuration source
Raw value
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