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{
"manufacturer": "Rii",
"keyboard_name": "518bt",
"maintainer": "tim-eastwood",
"backlight": {
"driver": "software",
"levels": 7,
"pin": "B0"
},
"bootloader": "stm32-dfu",
"bootmagic": {
"matrix": [5, 0]
},
"diode_direction": "COL2ROW",
"features": {
"backlight": true,
"bootmagic": true,
"command": true,
"extrakey": true,
"nkro": true
},
"indicators": {
"caps_lock": "B1"
},
"matrix_pins": {
"cols": ["A7", "A6", "A15", "B3", "B4", "B5", "B6", "B7", "B8", "B9", "C13", "C14"],
"rows": ["A14", "A1", "A2", "A3", "A4", "A5"]
},
"processor": "STM32F072",
"qmk": {
"locking": {
"enabled": true,
"resync": true
}
},
"usb": {
"device_version": "1.0.0",
"pid": "0x0011",
"vid": "0xFEED"
},
"layouts": {
"LAYOUT": {
"layout": [
{"matrix": [0, 1], "x": 1, "y": 0},
{"matrix": [0, 2], "x": 2, "y": 0},
{"matrix": [0, 3], "x": 3, "y": 0},
{"matrix": [0, 4], "x": 4, "y": 0},
{"matrix": [0, 5], "x": 5, "y": 0},
{"matrix": [0, 6], "x": 6, "y": 0},
{"matrix": [0, 7], "x": 7, "y": 0},
{"matrix": [0, 8], "x": 8, "y": 0},
{"matrix": [0, 9], "x": 9, "y": 0},
{"matrix": [0, 11], "x": 10, "y": 0, "w": 2},
{"matrix": [1, 0], "x": 0, "y": 1},
{"matrix": [1, 1], "x": 1, "y": 1},
{"matrix": [1, 2], "x": 2, "y": 1},
{"matrix": [1, 3], "x": 3, "y": 1},
{"matrix": [1, 4], "x": 4, "y": 1},
{"matrix": [1, 5], "x": 5, "y": 1},
{"matrix": [1, 6], "x": 6, "y": 1},
{"matrix": [1, 7], "x": 7, "y": 1},
{"matrix": [1, 8], "x": 8, "y": 1},
{"matrix": [1, 9], "x": 9, "y": 1},
{"matrix": [1, 10], "x": 10, "y": 1},
{"matrix": [1, 11], "x": 11, "y": 1},
{"matrix": [2, 0], "x": 0, "y": 2},
{"matrix": [2, 1], "x": 1, "y": 2},
{"matrix": [2, 2], "x": 2, "y": 2},
{"matrix": [2, 3], "x": 3, "y": 2},
{"matrix": [2, 4], "x": 4, "y": 2},
{"matrix": [2, 5], "x": 5, "y": 2},
{"matrix": [2, 6], "x": 6, "y": 2},
{"matrix": [2, 7], "x": 7, "y": 2},
{"matrix": [2, 8], "x": 8, "y": 2},
{"matrix": [2, 9], "x": 9, "y": 2},
{"matrix": [2, 10], "x": 10, "y": 2},
{"matrix": [2, 11], "x": 11, "y": 2},
{"matrix": [3, 0], "x": 0, "y": 3},
{"matrix": [3, 1], "x": 1, "y": 3},
{"matrix": [3, 2], "x": 2, "y": 3},
{"matrix": [3, 3], "x": 3, "y": 3},
{"matrix": [3, 4], "x": 4, "y": 3},
{"matrix": [3, 5], "x": 5, "y": 3},
{"matrix": [3, 6], "x": 6, "y": 3},
{"matrix": [3, 7], "x": 7, "y": 3},
{"matrix": [3, 8], "x": 8, "y": 3},
{"matrix": [3, 9], "x": 9, "y": 3},
{"matrix": [3, 10], "x": 10, "y": 3},
{"matrix": [3, 11], "x": 11, "y": 3},
{"matrix": [4, 0], "x": 0, "y": 4},
{"matrix": [4, 1], "x": 1, "y": 4},
{"matrix": [4, 2], "x": 2, "y": 4},
{"matrix": [4, 3], "x": 3, "y": 4},
{"matrix": [4, 4], "x": 4, "y": 4},
{"matrix": [4, 5], "x": 5, "y": 4},
{"matrix": [4, 6], "x": 6, "y": 4},
{"matrix": [4, 7], "x": 7, "y": 4},
{"matrix": [4, 8], "x": 8, "y": 4},
{"matrix": [4, 9], "x": 9, "y": 4},
{"matrix": [4, 11], "x": 10, "y": 4, "w": 2},
{"matrix": [5, 0], "x": 0, "y": 5, "w": 2},
{"matrix": [5, 1], "x": 2, "y": 5},
{"matrix": [5, 2], "x": 3, "y": 5},
{"matrix": [5, 4], "x": 4, "y": 5},
{"matrix": [5, 5], "x": 5, "y": 5},
{"matrix": [5, 6], "x": 6, "y": 5},
{"matrix": [5, 7], "x": 7, "y": 5},
{"matrix": [5, 8], "x": 8, "y": 5},
{"matrix": [5, 9], "x": 9, "y": 5},
{"matrix": [5, 10], "x": 10, "y": 5},
{"matrix": [5, 11], "x": 11, "y": 5}
]
}
}
}

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/* Copyright 2025 tim-eastwood
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include QMK_KEYBOARD_H
#define CTALDEL LCTL(LALT(KC_DEL))
void keyboard_pre_init_user(void) {
gpio_set_pin_output(B2);
gpio_set_pin_output(B10);
gpio_set_pin_output(B11);
gpio_write_pin_low(B2);
gpio_write_pin_low(B10);
gpio_write_pin_low(B11);
}
/* Membrane labels - base
* .----------------------------------------------------------------------------.
* |light | home | GUI | MUTE | VOL- | VOL+ | Prev | Pause| Next | Bksp |
* .------+------+------+------+------+------+------+------+------+------+------+------|
* | Esc | 1! | 2@ | 3# | 4$ | 5% | 6^ | 7& | 8* | 9( | 0) | ` ~ |
* |------+------+------+------+------+------+------+------+------+------+------+------|
* | Tab | Q | W | E | R | T | Y | U | I | O | P | \| |
* |------+------+------+------+------+-------------+------+------+------+------+------|
* | Caps | A | S | D | F | G | H | J | K | L | ;: | ' " |
* |------+------+------+------+------+------|------+------+------+------+------+------|
* | Shift| Z | X | C | V | B | N | M | /? | Up | Enter |
* |------+------+------+------+------+------+------+------+------+------+------+------|
* | Fn | Ctrl | Alt | -_ | =+ | Space | Down | Left | Right|
* `-----------------------------------------------------------------------------------'
*/
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[0] = LAYOUT(
BL_TOGG, KC_F1, KC_LGUI, KC_MUTE, KC_VOLD, KC_VOLU, KC_MPRV, KC_MPLY, KC_MNXT, KC_BSPC,
KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_GRV,
KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSLS,
KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT,
KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_SLSH, KC_UP, KC_ENT,
TT(1), KC_LCTL, KC_LALT, KC_MINS, KC_EQL, KC_SPC, KC_SPC, KC_SPC, KC_DOWN, KC_LEFT, KC_RGHT
),
/* Membrane labels - function (orange)
* .----------------------------------------------------------------------------.
* | | F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | Del |
* .------+------+------+------+------+------+------+------+------+------+------+------|
* | | | | | | | | | F9 | F10 | F11 | F12 |
* |------+------+------+------+------+------+------+------+------+------+------+------|
* | | | | | | | | | | | [ | ] |
* |------+------+------+------+------+-------------+------+------+------+------+------|
* | | | | | | | | | < | > | { | } |
* |------+------+------+------+------+------|------+------+------+------+------+------|
* | | | | | | | | , | . | PgUp | CTRL+ALT+DEL|
* |------+------+------+------+------+------+------+------+------+------+------+------|
* | | | | | | | PgDn | Home | End |
* `-----------------------------------------------------------------------------------'
*/
[1] = LAYOUT(
BL_STEP, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_DEL,
_______, _______, _______, _______, _______, _______, _______, _______, KC_F9, KC_F10, KC_F11, KC_F12,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_LBRC, KC_RBRC,
_______, _______, _______, _______, _______, _______, _______, _______, KC_LT, KC_GT, KC_LCBR, KC_RCBR,
_______, _______, _______, _______, _______, _______, _______, KC_COMM, KC_DOT, KC_PGUP, CTALDEL,
_______, _______, _______, _______, _______, _______, _______, _______, KC_PGDN, KC_HOME, KC_END
)
};

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# The default keymap for rii 518bt USB
Based on this layout: https://www.keyboard-layout-editor.com/#/gists/70694950d14d5aae1ed446701dd83b74
- Based on custom PCB, using original key membrane and layout / legend

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# Rii 518BT
![Rii 518BT](https://i.imgur.com/bj3WmLd.png)
*A custom PCB for the Rii 518BT keyboard*
* Keyboard Maintainer: [Tim / Tangles](https://github.com/tim-eastwood)
* Hardware Supported: [Custom USB/STM32F072 PCB for Rii 518bt](https://github.com/tim-eastwood/rii-518bt-usb-qmk-pcb)
* Hardware Availability: Build it yourself using any PCBA service using the source files / BoM located at [https://github.com/tim-eastwood/rii-518bt-usb-qmk-pcb](https://github.com/tim-eastwood/rii-518bt-usb-qmk-pcb)
Purchasing a Rii 518BT is required to obtain the housing, key membrane, and adhesive sheet of dome switches.
Make example for this keyboard (after setting up your build environment):
make rii/518bt:default
or
qmk compile -kb rii/518bt -km default
Flashing example for this keyboard:
make rii/518bt:default:flash
or
qmk flash -kb rii/518bt -km default
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 2 ways:
* **Bootmagic reset**: Hold down the key at (5,0) in the matrix (Function key) and plug in the keyboard
* **Physical reset button**: Short the pads on the back of the PCB while plugging in the keyboard