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32 lines
1.6 KiB
Markdown
32 lines
1.6 KiB
Markdown
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# city42
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*A pre-built, low profile, unibody split keyboard based on the RP2040 processor*
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* Keyboard Maintainer: [Kevin Gee](https://github.com/controller-works)
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* Hardware Supported: *city42 split unibody ergonomic keyboard*
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* Hardware Availability: *[Controller Works Retail Site](https://controller.works/products/city42-ergonomic-keyboard)* Hardware is available as pre-built units only.
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Make example for this keyboard (after setting up your build environment):
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```sh
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make controllerworks/city42:default
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```
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Flashing example for this keyboard:
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```sh
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make controllerworks/city42:default:flash
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```
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See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
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## Features
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- Highly integrated design with microcontroller and USB connectors on the main board
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- RP2040 processor by Raspberry Pi Foundation running at 130 MHz with 16MB flash memory
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- 40mm Cirque trackpad
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- 42 per-key RGB LEDs
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- ESD and over-current protection on USB
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- Reset and boot tactile switches
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- USB C host connection
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- Hot swap connectors for Kailh Chocolate PG1350 switches
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- Chocolate key spacing (18mm horizontal x 17mm vertical)
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## Bootloader
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Enter the bootloader in 3 ways:
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* **Bootmagic reset**: Hold down the upper left key while plugging in USB
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* **Physical reset button**: Press the RST button twice, rapidly
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* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available
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