qmk_firmware/keyboards/levinson/keymaps/jyh2/readme.md

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# jyh's levinson layout
[Levinson](https://keeb.io/products/levinson-lets-split-w-led-backlight)
built on rev2 PCBs. A split 4x12 keyboard with LED backlights.
The layout is oriented towards needs for programming, Emacs, XMonad,
and experience with 60% keyboards with no base layer arrow keys
(Poker). It makes heavy use of modifiers and layers. It is influenced
by good ideas from the Atreus keyboard layout.
## Layout features
* Extensive use of _Mod Tap_, e.g.
* Tap sends Esc, Hold sends Left Control
* Tap sends Tab, Hold activates Numpad layer
* Tap sends - , Hold sends Shift
* ... and many more
* Places Tab and Enter on bottom corners, for hitting with palm
* Meta is available on top corners, for controlling XMonad
* Control on center key, for Emacs (among other things)
* Backspace (Control Hold) and Space on center keys
* All 60% keys available on base layer, except for numbers
* Hyper and Meh keys
* Right modifier keys in place of arrow keys
* Arrows are instead available in two alternate locations:
* WASD arrows on _Adjust_
* Arrow cluster on _Raise_ (inspired by hexwire)
* Numpad and Numrow on _Raise_ layer. Each is faster in some contexts
* Function keys on _Lower_
* Dynamic macros from QMK firmware on _Adjust_
* Redunant keys where it is convenient to have characters together
on one layer