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49 lines
2.1 KiB
Markdown
49 lines
2.1 KiB
Markdown
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# QMK-based firmware for Sejin EAT-1010R2 keyboard
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* Keyboard Maintainer: [DmNosachev](https://github.com/DmNosachev)
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* Hardware Supported: Sejin EAT-1010R2 (membrane keyboard, Sejin
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Futaba-mount dome, Asian 101 ISO layout), Blue/Black Pill STM32F103 MCU
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oard. Alternatevely you can use any MCU which is supported by QMK and
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has 27 or more IO pins
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Make example for this keyboard (after setting up your build environment):
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make handwired/sejin_eat1010r2:default
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Flashing example for this keyboard:
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make handwired/sejin_eat1010r2:default:flash
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See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools)
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and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide)
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for more information. Brand new to QMK? Start with our
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[Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
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## Additional hardware
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* 16 and 8 pin 2.54mm (0.1'') FPC connectors. They can be found at
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Aliexpress for 2–3 USD for 10pcs. Two 8 pin connectors can be glued
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together as a replacement for 16 pin.
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* Three 5mm LEDs and current limiting resistors (150–300Ω, depending on
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LED specs). This keyboard has exactly the same spacing between LEDs as
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IBM Model M, so a corresponding PCB can be used after adding resistors.
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## Membrane
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Sejin EAT-1010R2 has 16x8 matrix. There are 16 and 8 pin flex connectors
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from membrane sheets. Solder FPC connectors to devboard (numbering from
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left to right, see *matrix_pins* in info.json file).
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## Bootloader
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Burn [STM32duino bootloader](https://github.com/rogerclarkmelbourne/STM32duino-bootloader)
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to Blue Pill board.
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There are several ways to get into the bootloader:
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* STM32duino bootloader waits for 3 seconds in DFU mode before jumping to application.
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You just have to start the flashing process, then connect the USB.
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* This firmware is configured with [bootmagic feature](https://docs.qmk.fm/#/feature_bootmagic).
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Hold the ESC key down when plugging the keyboard in to trigger the bootloader.
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## Troubleshooting
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There is *debug* layout which has mapping for every matrix position and
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prints column and raw numbers to console (hid_listen or QMK toolbox).
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