3 There is only one layer, and it is based on [Norman
4 layout](https://normanlayout.info/).
6 Looking for multiple-layer layouts?
8 - [Symbols, arrows, plover, HJKL
9 arrows](../romanzolotarev-norman-plover-osx-hjkl/)
10 - [Same with IJKL arrows](../romanzolotarev-norman-plover-osx/)
12 [![keyboard-layout](romanzolotarev-norman-osx.png)](http://www.keyboard-layout-editor.com/#/gists/9e89d54f1ea6eeeb7dab1b2d19d28195)
16 It is `CTL_T(KC_ESC)` and it works this way:
18 - Tap `CTRL/ESC` to send `ESC`.
19 - Hold `CTRL/ESC` to use as `CTRL`.
21 ## How to activate N-rollover
23 - Hold left `SHIFT` and right `SHIRT` and then tap `N`.
25 ## How to make and flash on OS X
27 First you need to install few brew packages.
30 brew tap osx-cross/avr
31 brew install dfu-programmer avr-libc teensy_loader_cli
34 Then you can clone this repository, make and flash your ErgoDox.
37 git clone https://github.com/romanzolotarev/qmk_firmware
38 cd qmk_firmware/keyboards/ergodox
39 # Optionally tweak ./keymaps/romanzolotarev-norman-osx/keymap.c
40 SLEEP_LED_ENABLED=no KEYMAP=romanzolotarev-norman-osx make teensy