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