27 lines
1.5 KiB
Markdown
27 lines
1.5 KiB
Markdown
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# cstc40
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A 40% hotswap ortholinear RGB keyboard from KP Republic.
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* Keyboard Maintainer: [Var](https://github.com/itsvar8)
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* Hardware Supported: CSTC40
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* Hardware Availability: kprepublic.com
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The differences between the two versions are just the rows and columns pins and the additional small pcb for the daughterboard version.
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Make example for this keyboard (after setting up your build environment):
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for daughterboard version: make kprepublic/cstc40/daughterboard:default
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for single pcb version: make kprepublic/cstc40/single_pcb:default
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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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## Bootloader
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Enter the bootloader in 3 ways:
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* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard
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* **Physical reset button**: Briefly press the button on the back of the PCB - some may have pads you must short instead
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* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available
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The single_pcb uses pin A10, which apparently is a design flaw that prevent the bootloader to start every time - https://docs.qmk.fm/#/platformdev_blackpill_f4x1?id=pins-to-be-avoided. There is a simple workaround that works most of the time - press the pin key (generally the letter R) during the boot.
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