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diff --git a/keyboards/kprepublic/cstc40/rev2/readme.md b/keyboards/kprepublic/cstc40/rev2/readme.md new file mode 100644 index 0000000000..8f6b27ed8e --- /dev/null +++ b/keyboards/kprepublic/cstc40/rev2/readme.md @@ -0,0 +1,29 @@ +# Rev 2 + +A 40% hotswap ortholinear RGB keyboard from KP Republic. + +* **Revision 2: "single pcb"** +* Keyboard Maintainer: [Var](https://github.com/itsvar8) +* Hardware Supported: CSTC40 rev2 +* STM32F402RCT6 MCU with IS31FL3733 LED driver and using `stm32-dfu` bootloader. Integrated USB connection. +* Hardware Availability: kprepublic.com + +Make example for this keyboard (after setting up your build environment): + + make kprepublic/cstc40/rev2:default + +Flashing example for this keyboard: + + make kprepublic/cstc40/rev2:default:flash + +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). + +## Bootloader + +Enter the bootloader in 3 ways: + +* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard +* **Physical reset button**: Briefly press the button on the back of the PCB - some may have pads you must short instead +* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available + +The rev 2 uses pin `A10` in the key matrix, which apparently is a design flaw that may prevent the bootloader from entering the proper mode for DFU flashing - <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. |