mirror of
https://github.com/Keychron/qmk_firmware.git
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77 lines
4.1 KiB
Markdown
77 lines
4.1 KiB
Markdown
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# mini42
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*A pre-built, low profile, split mechanical 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: *mini42 split ergonomic keyboard*
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* Hardware Availability: *https://controller.works/products/mini42-low-profile-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/mini42: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/mini42: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, USB and TRRS connectors, and OLED all integrated on the main board with no secondary modules
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- RP2040 processor by Raspberry Pi Foundation running at 130 MHz with 16MB flash memory
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- CNC milled aluminum case with only 8mm thickness
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- "PCB art" shine through back plate with gold surface finish
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- 128x32 OLED on each keyboard half
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- 42 per-key RGB LEDs and 12 backlight RGB LEDS are individually addressable
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- ESD and over-current protection on USB and TRRS connectors
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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 on the left hand keyboard half or the upper right key on the right hand keyboard half 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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## Pin Assignment
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| Name | Pin | Left Row | Left Column | Right Row | **Right Column |
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|--------|------|-----------|-------------|-----------|--------------|
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| LED | GP0 | | | | |
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| DATA | GP1 | | | | |
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| DATA2* | GP28 | | | | |
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| KEY0 | GP2 | 0 | 0 | 4 | 0 |
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| KEY1 | GP3 | 0 | 1 | 4 | 1 |
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| KEY2 | GP4 | 0 | 2 | 4 | 2 |
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| KEY3 | GP5 | 0 | 3 | 4 | 3 |
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| KEY4 | GP6 | 0 | 4 | 4 | 4 |
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| KEY5 | GP7 | 0 | 5 | 4 | 5 |
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| KEY6 | GP8 | 1 | 0 | 5 | 0 |
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| KEY7 | GP9 | 1 | 1 | 5 | 1 |
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| KEY8 | GP10 | 1 | 2 | 5 | 2 |
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| KEY9 | GP11 | 1 | 3 | 5 | 3 |
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| KEY10 | GP12 | 1 | 4 | 5 | 4 |
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| KEY11 | GP13 | 1 | 5 | 5 | 5 |
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| KEY12 | GP14 | 2 | 0 | 6 | 0 |
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| KEY13 | GP15 | 2 | 1 | 6 | 1 |
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| KEY14 | GP16 | 2 | 2 | 6 | 2 |
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| KEY15 | GP17 | 2 | 3 | 6 | 3 |
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| KEY16 | GP18 | 2 | 4 | 6 | 4 |
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| KEY17 | GP19 | 2 | 5 | 6 | 5 |
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| KEY18 | GP20 | 3 | 0 | 7 | 0 |
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| KEY19 | GP21 | 3 | 1 | 7 | 1 |
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| KEY20 | GP22 | 3 | 2 | 7 | 2 |
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| SDA | GP24 | | | | |
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| SCL | GP25 | | | | |
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\*DATA2 on production units, not connected on prototype units
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\** Right Column numbers run right (pinky position) to left (thumb position)
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