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46 lines
2.2 KiB
Markdown
46 lines
2.2 KiB
Markdown
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# QMK-based firmware for Fujitsu N860-2500-T111 keyboard
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Fujitsu N860-2500-T111 keyboard conversion project: direct connection of Black Pill to the matrix.
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* Keyboard Maintainer: [DmNosachev](https://github.com/DmNosachev)
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* Hardware Supported: [Fujitsu N860-2500-T111](https://deskthority.net/viewtopic.php?t=17087), Black Pill STM32F103C8T6 MCU board. Alternatively you can use any MCU which is supported by QMK and has 22 or more IO pins: Arduino Micro, Teensy 2.0, Teensy 2.0++, Blue Pill, etc.
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* Thanks to Deskthority user *OldIsNew* for the matrix decoding.
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Make example for this keyboard (after setting up your build environment):
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make handwired/t111: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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# Modding
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## Matrix
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Fujitsu N860-2500-T111 has 14x8 matrix. It's ghost-free thanks to the diodes.
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Rows (0-7) and columns (0-D):
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## Black Pill
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Suggested mount position for the Black Pill (view from the top side of the PCB):
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```
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C1 C2 C3 C4 C7 C8 C9 CA R5 R6
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,--------------------------------------------------------------------,
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|B11 B10 B1 B0 A7 A6 A5 A4 A3 A2 A1 A0 RST C13 B9 B8 GND |---,
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|B12 B13 B14 B15 A8 A9 A10 A11 A12 A15 B3 B4 B5 B6 B7 3V3 GND |---'
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'--------------------------------------------------------------------'
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CC CD C0 CB C6 C5 R0 R4 R3 R2 R1 R7
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```
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1. Desolder all ICs, capacitors and resistors.
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1. Solder 4-pin SWD header to Black Pill.
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2. Burn [STM32duino bootloader](https://github.com/rogerclarkmelbourne/STM32duino-bootloader/blob/master/bootloader_only_binaries/generic_boot20_pb12.bin) to Black Pill.
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3. Compile and flash the firmware: `make handwired/t111:default:flash`
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4. Connect rows and columns to the corresponding pins of the Black Pill.
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