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Add BlackMuller FlashBang keyboard #25894

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7fb228d
Add BlackMuller FlashBang keyboard
JakeEMuller Dec 17, 2025
ea0a735
Update readme.md
JakeEMuller Dec 17, 2025
d008217
update default map for flash
JakeEMuller Dec 20, 2025
5288da6
Update readme.md
JakeEMuller Dec 21, 2025
d252f6d
Update readme's
JakeEMuller Dec 21, 2025
3df0b59
change keymap nameing
JakeEMuller Dec 21, 2025
b9d7899
Remove bootmagic declaration
JakeEMuller Dec 21, 2025
f71f962
format json files
JakeEMuller Dec 21, 2025
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22 changes: 22 additions & 0 deletions keyboards/handwired/blackmuller/bang/config.h
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/* Copyright 2025 BlackMullerLLC
*
* 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/>.
*/
#pragma once

#define BOOTMAGIC_ROW 0
#define BOOTMAGIC_COLUMN 1
#define LED_CAPS_LOCK_PIN F6
#define LED_SCROLL_LOCK_PIN F5
#define LED_NUM_LOCK_PIN F7
92 changes: 92 additions & 0 deletions keyboards/handwired/blackmuller/bang/keyboard.json
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{
"manufacturer": "BlackMullerLLC",
"keyboard_name": "BlackMuller_Bang",
"maintainer": "JakeEMuller",
"bootloader": "atmel-dfu",
"diode_direction": "COL2ROW",
"features": {
"bootmagic": true,
"command": false,
"console": false,
"extrakey": true,
"mousekey": true,
"nkro": true
},
"matrix_pins": {
"cols": ["D7", "D6", "D4", "D5", "D3", "D2", "B7", "B0", "C6", "F0", "F1", "F4"],
"rows": ["E6", "D0", "D1", "B4", "B5", "B6"]
},
"processor": "atmega32u4",
"url": "",
"usb": {
"device_version": "1.0.0",
"pid": "0x8021",
"vid": "0xFEED"
},
"layouts": {
"LAYOUT": {
"layout": [
{"matrix": [0, 1], "x": 1, "y": 0},
{"matrix": [0, 2], "x": 2, "y": 0},
{"matrix": [0, 4], "x": 3.75, "y": 0},
{"matrix": [0, 5], "x": 4.75, "y": 0},
{"matrix": [0, 6], "x": 5.75, "y": 0},
{"matrix": [0, 7], "x": 6.75, "y": 0},
{"matrix": [0, 8], "x": 8.75, "y": 0},
{"matrix": [0, 9], "x": 9.75, "y": 0},
{"matrix": [0, 10], "x": 10.75, "y": 0},
{"matrix": [0, 11], "x": 11.75, "y": 0},
{"matrix": [1, 1], "x": 0.5, "y": 1},
{"matrix": [1, 2], "x": 1.5, "y": 1},
{"matrix": [1, 3], "x": 2.5, "y": 1},
{"matrix": [1, 4], "x": 3.5, "y": 1},
{"matrix": [1, 5], "x": 4.5, "y": 1},
{"matrix": [1, 6], "x": 5.5, "y": 1},
{"matrix": [1, 7], "x": 6.5, "y": 1, "w": 2},
{"matrix": [1, 8], "x": 8.75, "y": 1},
{"matrix": [1, 9], "x": 9.75, "y": 1},
{"matrix": [1, 10], "x": 10.75, "y": 1},
{"matrix": [1, 11], "x": 11.75, "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, "w": 1.5},
{"matrix": [2, 8], "x": 8.75, "y": 2},
{"matrix": [2, 9], "x": 9.75, "y": 2},
{"matrix": [2, 10], "x": 10.75, "y": 2},
{"matrix": [3, 11], "x": 11.75, "y": 2, "h": 2},
{"matrix": [3, 0], "x": 0.25, "y": 3},
{"matrix": [3, 1], "x": 1.25, "y": 3},
{"matrix": [3, 2], "x": 2.25, "y": 3},
{"matrix": [3, 3], "x": 3.25, "y": 3},
{"matrix": [3, 4], "x": 4.25, "y": 3},
{"matrix": [3, 5], "x": 5.25, "y": 3},
{"matrix": [3, 7], "x": 6.25, "y": 3, "w": 2.25},
{"matrix": [3, 8], "x": 8.75, "y": 3},
{"matrix": [3, 9], "x": 9.75, "y": 3},
{"matrix": [3, 10], "x": 10.75, "y": 3},
{"matrix": [4, 1], "x": 0.75, "y": 4},
{"matrix": [4, 2], "x": 1.75, "y": 4},
{"matrix": [4, 3], "x": 2.75, "y": 4},
{"matrix": [4, 4], "x": 3.75, "y": 4},
{"matrix": [4, 5], "x": 4.75, "y": 4},
{"matrix": [4, 7], "x": 5.75, "y": 4, "w": 2.75},
{"matrix": [4, 8], "x": 8.75, "y": 4},
{"matrix": [4, 9], "x": 9.75, "y": 4},
{"matrix": [4, 10], "x": 10.75, "y": 4},
{"matrix": [5, 11], "x": 11.75, "y": 4, "h": 2},
{"matrix": [5, 1], "x": 0.75, "y": 5, "w": 2.75},
{"matrix": [5, 4], "x": 3.5, "y": 5, "w": 1.25},
{"matrix": [5, 5], "x": 4.75, "y": 5, "w": 1.25},
{"matrix": [5, 6], "x": 6, "y": 5, "w": 1.25},
{"matrix": [5, 7], "x": 7.25, "y": 5, "w": 1.25},
{"matrix": [5, 8], "x": 8.75, "y": 5, "w": 2},
{"matrix": [5, 10], "x": 10.75, "y": 5}
]
}
}
}
74 changes: 74 additions & 0 deletions keyboards/handwired/blackmuller/bang/keymaps/AdvancedLayers/keymap.c
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/* Copyright 2025 BlackMullerLLC
*
* 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

enum eDriverCMD
{
defaultLayer = 0x1,
layer1 = 0x2
};

void raw_hid_receive(uint8_t *data, uint8_t length)
{
if (length < 1) return;
switch (data[0]) {
case defaultLayer:
layer_move(0);
break;
case layer1:
layer_move(1);
break;
}
}

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/*
* ┌───┬───┐ ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┐
* │F7 │F8 │ │F9 │F10│F11│F12│ │Irt│PSc│Scr│Pse│
* └───┴───┘ └───┴───┴───┴───┘ └───┴───┴───┴───┘
* ┌───┬───┬───┬───┬───┬───┬────────┐ ┌───┬───┬───┬───┐
* │ 7 │ 8 │ 9 │ 0 │ - │ = │ Backsp │ │Num│ / │ * │ - │
* ┌─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬──────┤ ├───┼───┼───┼───┤
* │ Y │ U │ I │ O │ P │ [ │ ] │ \ │ │ 7 │ 8 │ 9 │ │
* └─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴──────┤ ├───┼───┼───┤ + │
* │ H │ J │ K │ L │ ; │ ' │ Enter │ │ 4 │ 5 │ 6 │ │
* └─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴────────┤ ├───┼───┼───┼───┤
* │ N │ M │ , │ . │ / │ Shift │ │ 1 │ 2 │ 3 │ │
* └─┬─┴───┴──┬┴───┼───┴┬────┬────┤ ├───┴───┼───┤Ent│
* │ │ Alt│ GUI│Menu│Ctrl│ │ 0 │ . │ │
* └────────┴────┴────┴────┴────┘ └───────┴───┴───┘
*/
[0] = LAYOUT(
KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_INS, KC_PSCR, KC_SCRL, KC_PAUS,

KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_P7, KC_P8, KC_P9, KC_PPLS,
KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, KC_P4, KC_P5, KC_P6,
KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_P1, KC_P2, KC_P3, KC_PENT,
KC_SPC, KC_RALT, KC_RGUI, KC_APP, KC_RCTL, KC_P0, KC_PDOT
)
,
[1] = LAYOUT(
KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_MPLY, KC_MSTP, KC_MPRV, KC_MNXT,

KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
KC_PGUP, KC_HOME, KC_UP, KC_END, KC_BSPC, KC_LBRC, KC_RBRC, KC_BSLS, KC_P7, KC_P8, KC_P9, KC_PPLS,
KC_PGDN, KC_LEFT, KC_DOWN, KC_RGHT, KC_DEL, KC_QUOT, KC_ENT, KC_P4, KC_P5, KC_P6,
KC_N, KC_M, KC_COMM, KC_DOT, KC_INS, KC_RSFT, KC_P1, KC_P2, KC_P3, KC_PENT,
KC_SPC, KC_RALT, KC_RGUI, KC_APP, KC_RCTL, KC_P0, KC_PDOT
)
};
45 changes: 45 additions & 0 deletions keyboards/handwired/blackmuller/bang/keymaps/default/keymap.c
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/* Copyright 2025 BlackMullerLLC
*
* 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

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/*
* ┌───┬───┐ ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┐
* │F7 │F8 │ │F9 │F10│F11│F12│ │Irt│PSc│Scr│Pse│
* └───┴───┘ └───┴───┴───┴───┘ └───┴───┴───┴───┘
* ┌───┬───┬───┬───┬───┬───┬────────┐ ┌───┬───┬───┬───┐
* │ 7 │ 8 │ 9 │ 0 │ - │ = │ Backsp │ │Num│ / │ * │ - │
* ┌─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬──────┤ ├───┼───┼───┼───┤
* │ Y │ U │ I │ O │ P │ [ │ ] │ \ │ │ 7 │ 8 │ 9 │ │
* └─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴──────┤ ├───┼───┼───┤ + │
* │ H │ J │ K │ L │ ; │ ' │ Enter │ │ 4 │ 5 │ 6 │ │
* └─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴────────┤ ├───┼───┼───┼───┤
* │ N │ M │ , │ . │ / │ Shift │ │ 1 │ 2 │ 3 │ │
* └─┬─┴───┴──┬┴───┼───┴┬────┬────┤ ├───┴───┼───┤Ent│
* │ │ Alt│ GUI│Menu│Ctrl│ │ 0 │ . │ │
* └────────┴────┴────┴────┴────┘ └───────┴───┴───┘
*/
[0] = LAYOUT(
KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_INS, KC_PSCR, KC_SCRL, KC_PAUS,

KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_P7, KC_P8, KC_P9, KC_PPLS,
KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, KC_P4, KC_P5, KC_P6,
KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_P1, KC_P2, KC_P3, KC_PENT,
KC_SPC, KC_RALT, KC_RGUI, KC_APP, KC_RCTL, KC_P0, KC_PDOT
)
};
33 changes: 33 additions & 0 deletions keyboards/handwired/blackmuller/bang/readme.md
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# handwired/blackmuller/bang

![handwired/blackmuller/bang](https://imgur.com/a/Ed7VxtJ)

Right half of ~90% split keyboard

* Keyboard Maintainer: [JakeEMuller](https://github.com/JakeEMuller)
* Hardware Supported: BangV1 PCB
* Hardware Availability: NA

Make example for this keyboard (after setting up your build environment):

make handwired/blackmuller/bang:default

Flashing example for this keyboard:

make handwired/blackmuller/bang: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).

## Keyboard Layer drivers

Special drivers are required for full layer support.
On Windows: https://github.com/JakeEMuller/FlashBangLayerApp
On Linux: N/A
On Mac: N/A

## Bootloader

Enter the bootloader in 3 ways:

* **Bootmagic reset**: Hold down the key at (0,1) in the matrix (F7) and plug in the keyboard
* **Physical reset button**: Briefly bridge the pads on the back of the PCB (R2)
1 change: 1 addition & 0 deletions keyboards/handwired/blackmuller/bang/rules.mk
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RAW_ENABLE = yes
18 changes: 18 additions & 0 deletions keyboards/handwired/blackmuller/flash/config.h
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/* Copyright 2025 BlackMullerLLC
*
* 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/>.
*/
#pragma once

#define LED_CAPS_LOCK_PIN F7
69 changes: 69 additions & 0 deletions keyboards/handwired/blackmuller/flash/keyboard.json
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{
"manufacturer": "BlackMullerLLC",
"keyboard_name": "BlackMuller_Flash",
"maintainer": "JakeEMuller",
"bootloader": "atmel-dfu",
"diode_direction": "COL2ROW",
"features": {
"bootmagic": true,
"command": false,
"console": false,
"extrakey": true,
"mousekey": true,
"nkro": true
},
"matrix_pins": {
"cols": ["D4", "D7", "B4", "C7", "B5", "B7", "C6", "F6"],
"rows": ["F5", "F4", "E6", "D6", "B6", "E2"]
},
"processor": "atmega32u4",
"url": "",
"usb": {
"device_version": "1.3.0",
"pid": "0x8020",
"vid": "0xFEED"
},
"layouts": {
"LAYOUT": {
"layout": [
{"matrix": [0, 0], "x": 0, "y": 0},
{"matrix": [0, 2], "x": 1.5, "y": 0},
{"matrix": [0, 3], "x": 2.5, "y": 0},
{"matrix": [0, 4], "x": 3.5, "y": 0},
{"matrix": [0, 5], "x": 4.5, "y": 0},
{"matrix": [0, 6], "x": 5.5, "y": 0},
{"matrix": [0, 7], "x": 6.5, "y": 0},
{"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": [2, 0], "x": 0, "y": 2, "w": 1.5},
{"matrix": [2, 2], "x": 1.5, "y": 2},
{"matrix": [2, 3], "x": 2.5, "y": 2},
{"matrix": [2, 4], "x": 3.5, "y": 2},
{"matrix": [2, 5], "x": 4.5, "y": 2},
{"matrix": [2, 6], "x": 5.5, "y": 2},
{"matrix": [3, 0], "x": 0, "y": 3, "w": 1.75},
{"matrix": [3, 2], "x": 1.75, "y": 3},
{"matrix": [3, 3], "x": 2.75, "y": 3},
{"matrix": [3, 4], "x": 3.75, "y": 3},
{"matrix": [3, 5], "x": 4.75, "y": 3},
{"matrix": [3, 6], "x": 5.75, "y": 3},
{"matrix": [4, 1], "x": 0, "y": 4, "w": 2.25},
{"matrix": [4, 2], "x": 2.25, "y": 4},
{"matrix": [4, 3], "x": 3.25, "y": 4},
{"matrix": [4, 4], "x": 4.25, "y": 4},
{"matrix": [4, 5], "x": 5.25, "y": 4},
{"matrix": [4, 6], "x": 6.25, "y": 4},
{"matrix": [5, 0], "x": 0, "y": 5, "w": 1.25},
{"matrix": [5, 1], "x": 1.25, "y": 5, "w": 1.25},
{"matrix": [5, 3], "x": 2.5, "y": 5, "w": 1.25},
{"matrix": [5, 5], "x": 3.75, "y": 5, "w": 1.75},
{"matrix": [5, 6], "x": 5.5, "y": 5, "w": 2.75}
]
}
}
}
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