Options like Brass or FR4 that drastically change the stiffness of the typing feel.
Based on similar enthusiast-level "Custom" builds, a review of such a project typically focuses on the following pillars: Y111 Katya Custom
High-end custom units typically support open-source firmware like QMK or VIA , allowing users to remap every key and macro—a critical feature for the Y111 designation if it implies a non-standard layout. Common Components in High-End Customs Options like Brass or FR4 that drastically change
Reviews generally emphasize the "typing experience," including the switch choice (linear vs. tactile) and the acoustic profile (the "thock" or "clack"). For a custom build, the use of specialized Stabilizers and internal foam dampening is a key metric. Y111 Katya Custom