diff --git a/keyboards/melonbred/mb44v2/keyboard.json b/keyboards/melonbred/mb44v2/keyboard.json
new file mode 100644
index 0000000000..25810d3767
--- /dev/null
+++ b/keyboards/melonbred/mb44v2/keyboard.json
@@ -0,0 +1,184 @@
+{
+ "manufacturer": "melonbred",
+ "keyboard_name": "mb44v2",
+ "maintainer": "melonbred",
+ "bootloader": "stm32-dfu",
+ "diode_direction": "COL2ROW",
+ "features": {
+ "bootmagic": true,
+ "command": false,
+ "console": false,
+ "extrakey": true,
+ "mousekey": true,
+ "nkro": true
+ },
+ "matrix_pins": {
+ "cols": ["B11", "B10", "B2", "B1", "B0", "A7", "A6", "A5", "A4", "A3", "B14", "A2"],
+ "rows": ["B9", "C15", "C14", "C13"]
+ },
+ "processor": "STM32F072",
+ "url": "",
+ "usb": {
+ "device_version": "1.0.0",
+ "pid": "0x0000",
+ "vid": "0xFEED"
+ },
+ "layouts": {
+ "LAYOUT_default": {
+ "layout": [
+ {"matrix": [0, 0], "x": 0, "y": 0},
+ {"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, 10], "x": 10, "y": 0},
+ {"matrix": [0, 11], "x": 11, "y": 0, "w": 1.75},
+
+ {"matrix": [1, 0], "x": 0, "y": 1, "w": 1.25},
+ {"matrix": [1, 1], "x": 1.25, "y": 1},
+ {"matrix": [1, 2], "x": 2.25, "y": 1},
+ {"matrix": [1, 3], "x": 3.25, "y": 1},
+ {"matrix": [1, 4], "x": 4.25, "y": 1},
+ {"matrix": [1, 5], "x": 5.25, "y": 1},
+ {"matrix": [1, 6], "x": 6.25, "y": 1},
+ {"matrix": [1, 7], "x": 7.25, "y": 1},
+ {"matrix": [1, 8], "x": 8.25, "y": 1},
+ {"matrix": [1, 9], "x": 9.25, "y": 1},
+ {"matrix": [1, 10], "x": 10.25, "y": 1},
+ {"matrix": [1, 11], "x": 11.25, "y": 1, "w": 1.5},
+
+ {"matrix": [2, 0], "x": 0, "y": 2, "w": 1.75},
+ {"matrix": [2, 1], "x": 1.75, "y": 2},
+ {"matrix": [2, 2], "x": 2.75, "y": 2},
+ {"matrix": [2, 3], "x": 3.75, "y": 2},
+ {"matrix": [2, 4], "x": 4.75, "y": 2},
+ {"matrix": [2, 5], "x": 5.75, "y": 2},
+ {"matrix": [2, 6], "x": 6.75, "y": 2},
+ {"matrix": [2, 7], "x": 7.75, "y": 2},
+ {"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": [2, 11], "x": 11.75, "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, 5], "x": 3, "y": 3, "w": 6.25},
+
+ {"matrix": [3, 9], "x": 9.75, "y": 3},
+ {"matrix": [3, 10], "x": 10.75, "y": 3},
+ {"matrix": [3, 11], "x": 11.75, "y": 3}
+ ]
+ },
+ "LAYOUT_2u1u_space": {
+ "layout": [
+ {"matrix": [0, 0], "x": 0, "y": 0},
+ {"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, 10], "x": 10, "y": 0},
+ {"matrix": [0, 11], "x": 11, "y": 0, "w": 1.75},
+
+ {"matrix": [1, 0], "x": 0, "y": 1, "w": 1.25},
+ {"matrix": [1, 1], "x": 1.25, "y": 1},
+ {"matrix": [1, 2], "x": 2.25, "y": 1},
+ {"matrix": [1, 3], "x": 3.25, "y": 1},
+ {"matrix": [1, 4], "x": 4.25, "y": 1},
+ {"matrix": [1, 5], "x": 5.25, "y": 1},
+ {"matrix": [1, 6], "x": 6.25, "y": 1},
+ {"matrix": [1, 7], "x": 7.25, "y": 1},
+ {"matrix": [1, 8], "x": 8.25, "y": 1},
+ {"matrix": [1, 9], "x": 9.25, "y": 1},
+ {"matrix": [1, 10], "x": 10.25, "y": 1},
+ {"matrix": [1, 11], "x": 11.25, "y": 1, "w": 1.5},
+
+ {"matrix": [2, 0], "x": 0, "y": 2, "w": 1.75},
+ {"matrix": [2, 1], "x": 1.75, "y": 2},
+ {"matrix": [2, 2], "x": 2.75, "y": 2},
+ {"matrix": [2, 3], "x": 3.75, "y": 2},
+ {"matrix": [2, 4], "x": 4.75, "y": 2},
+ {"matrix": [2, 5], "x": 5.75, "y": 2},
+ {"matrix": [2, 6], "x": 6.75, "y": 2},
+ {"matrix": [2, 7], "x": 7.75, "y": 2},
+ {"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": [2, 11], "x": 11.75, "y": 2},
+
+ {"matrix": [3, 0], "x": 0, "y": 3},
+ {"matrix": [3, 1], "x": 1, "y": 3, "w": 1.25},
+ {"matrix": [3, 2], "x": 2.25, "y": 3},
+ {"matrix": [3, 3], "x": 3.25, "y": 3, "w": 2.75},
+ {"matrix": [3, 5], "x": 6, "y": 3, "w": 2.25},
+ {"matrix": [3, 6], "x": 8.25, "y": 3},
+
+ {"matrix": [3, 9], "x": 9.75, "y": 3},
+ {"matrix": [3, 10], "x": 10.75, "y": 3},
+ {"matrix": [3, 11], "x": 11.75, "y": 3}
+ ]
+ },
+ "LAYOUT_3u_space": {
+ "layout": [
+ {"matrix": [0, 0], "x": 0, "y": 0},
+ {"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, 10], "x": 10, "y": 0},
+ {"matrix": [0, 11], "x": 11, "y": 0, "w": 1.75},
+
+ {"matrix": [1, 0], "x": 0, "y": 1, "w": 1.25},
+ {"matrix": [1, 1], "x": 1.25, "y": 1},
+ {"matrix": [1, 2], "x": 2.25, "y": 1},
+ {"matrix": [1, 3], "x": 3.25, "y": 1},
+ {"matrix": [1, 4], "x": 4.25, "y": 1},
+ {"matrix": [1, 5], "x": 5.25, "y": 1},
+ {"matrix": [1, 6], "x": 6.25, "y": 1},
+ {"matrix": [1, 7], "x": 7.25, "y": 1},
+ {"matrix": [1, 8], "x": 8.25, "y": 1},
+ {"matrix": [1, 9], "x": 9.25, "y": 1},
+ {"matrix": [1, 10], "x": 10.25, "y": 1},
+ {"matrix": [1, 11], "x": 11.25, "y": 1, "w": 1.5},
+
+ {"matrix": [2, 0], "x": 0, "y": 2, "w": 1.75},
+ {"matrix": [2, 1], "x": 1.75, "y": 2},
+ {"matrix": [2, 2], "x": 2.75, "y": 2},
+ {"matrix": [2, 3], "x": 3.75, "y": 2},
+ {"matrix": [2, 4], "x": 4.75, "y": 2},
+ {"matrix": [2, 5], "x": 5.75, "y": 2},
+ {"matrix": [2, 6], "x": 6.75, "y": 2},
+ {"matrix": [2, 7], "x": 7.75, "y": 2},
+ {"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": [2, 11], "x": 11.75, "y": 2},
+
+ {"matrix": [3, 0], "x": 0, "y": 3},
+ {"matrix": [3, 1], "x": 1, "y": 3, "w": 1.25},
+ {"matrix": [3, 2], "x": 2.25, "y": 3},
+ {"matrix": [3, 3], "x": 3.25, "y": 3, "w": 3},
+ {"matrix": [3, 6], "x": 6.25, "y": 3, "w": 3},
+
+ {"matrix": [3, 9], "x": 9.75, "y": 3},
+ {"matrix": [3, 10], "x": 10.75, "y": 3},
+ {"matrix": [3, 11], "x": 11.75, "y": 3}
+ ]
+ }
+ }
+}
\ No newline at end of file
diff --git a/keyboards/melonbred/mb44v2/keymaps/default/keymap.c b/keyboards/melonbred/mb44v2/keymaps/default/keymap.c
new file mode 100644
index 0000000000..5407baf67a
--- /dev/null
+++ b/keyboards/melonbred/mb44v2/keymaps/default/keymap.c
@@ -0,0 +1,49 @@
+/* Copyright 2020 melonbred
+ *
+ * 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 .
+ */
+#include QMK_KEYBOARD_H
+
+// Defines names for use in layer keycodes and the keymap
+enum layer_names {
+ _BASE,
+ _LAYER1,
+ _LAYER2
+
+};
+
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_BASE] = LAYOUT_default(
+ KC_ESC, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSPC,
+ CTL_T(KC_TAB), KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_ENT,
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_UP, KC_SLSH,
+ MO(_LAYER2), KC_LGUI, KC_LALT, LT(_LAYER1, KC_SPC), KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+
+ [_LAYER1] = LAYOUT_default(
+ KC_GRV, KC_QUOT, _______, KC_UP, _______, _______, _______, _______, KC_7, KC_8, KC_9, KC_DEL,
+ KC_CAPS, _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, KC_PSLS, KC_PMNS, KC_4, KC_5, KC_6, KC_ENT,
+ KC_LSFT, KC_MINS, KC_EQL, KC_LBRC, KC_RBRC, KC_BSLS, KC_PAST, KC_PPLS, KC_1, KC_2, KC_3, KC_RSFT,
+ _______, KC_LGUI, KC_LALT, _______, KC_0, KC_PDOT, XXXXXXX
+ ),
+
+ [_LAYER2] = LAYOUT_default(
+ KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_VOLU,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, QK_BOOT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_VOLD,
+ _______, XXXXXXX, XXXXXXX, XXXXXXX, KC_DEL, KC_RALT, KC_RCTL
+ ),
+};
\ No newline at end of file
diff --git a/keyboards/melonbred/mb44v2/keymaps/vial/config.h b/keyboards/melonbred/mb44v2/keymaps/vial/config.h
new file mode 100644
index 0000000000..e26f7ab175
--- /dev/null
+++ b/keyboards/melonbred/mb44v2/keymaps/vial/config.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+#define VIAL_KEYBOARD_UID {0x0A, 0x90, 0x86, 0x4B, 0x13, 0x9F, 0x88, 0xCC}
+#define VIAL_UNLOCK_COMBO_ROWS { 0, 1 }
+#define VIAL_UNLOCK_COMBO_COLS { 0, 1 }
diff --git a/keyboards/melonbred/mb44v2/keymaps/vial/keymap.c b/keyboards/melonbred/mb44v2/keymaps/vial/keymap.c
new file mode 100644
index 0000000000..cee991ad44
--- /dev/null
+++ b/keyboards/melonbred/mb44v2/keymaps/vial/keymap.c
@@ -0,0 +1,49 @@
+/* Copyright 2024 melonbred
+ *
+ * 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 .
+ */
+#include QMK_KEYBOARD_H
+
+// Defines names for use in layer keycodes and the keymap
+enum layer_names {
+ _BASE,
+ _LAYER1,
+ _LAYER2
+};
+
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_BASE] = LAYOUT_default(
+ KC_ESC, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSPC,
+ CTL_T(KC_TAB), KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_ENT,
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_UP, KC_SLSH,
+ MO(_LAYER2), KC_LGUI, KC_LALT, LT(_LAYER1, KC_SPC), KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+
+ [_LAYER1] = LAYOUT_default(
+ KC_GRV, KC_QUOT, _______, KC_UP, _______, _______, _______, _______, KC_7, KC_8, KC_9, KC_DEL,
+ KC_CAPS, _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, KC_PSLS, KC_PMNS, KC_4, KC_5, KC_6, KC_ENT,
+ KC_LSFT, KC_MINS, KC_EQL, KC_LBRC, KC_RBRC, KC_BSLS, KC_PAST, KC_PPLS, KC_1, KC_2, KC_3, KC_RSFT,
+ _______, KC_LGUI, KC_LALT, _______, KC_0, KC_PDOT, XXXXXXX
+ ),
+
+ [_LAYER2] = LAYOUT_default(
+ KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_VOLU,
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, QK_BOOT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_VOLD,
+ _______, XXXXXXX, XXXXXXX, XXXXXXX, KC_DEL, KC_RALT, KC_RCTL
+ ),
+};
+
diff --git a/keyboards/melonbred/mb44v2/keymaps/vial/rules.mk b/keyboards/melonbred/mb44v2/keymaps/vial/rules.mk
new file mode 100644
index 0000000000..4f7618e9b2
--- /dev/null
+++ b/keyboards/melonbred/mb44v2/keymaps/vial/rules.mk
@@ -0,0 +1,2 @@
+VIA_ENABLE = yes
+VIAL_ENABLE = yes
diff --git a/keyboards/melonbred/mb44v2/keymaps/vial/vial.json b/keyboards/melonbred/mb44v2/keymaps/vial/vial.json
new file mode 100644
index 0000000000..8400f2f563
--- /dev/null
+++ b/keyboards/melonbred/mb44v2/keymaps/vial/vial.json
@@ -0,0 +1,129 @@
+{
+ "name": "mb44v2",
+ "vendorId": "0x6d62",
+ "productId": "0x001",
+ "matrix": {
+ "rows": 4,
+ "cols": 12
+},
+"layouts": {
+ "labels": [
+ [
+ "Spacebar",
+ "625 Spacebar",
+ "2u Split",
+ "3u Split"
+ ]
+ ],
+ "keymap": [
+ [
+ "0,0",
+ "0,1",
+ "0,2",
+ "0,3",
+ "0,4",
+ "0,5",
+ "0,6",
+ "0,7",
+ "0,8",
+ "0,9",
+ "0,10",
+ {
+ "w": 1.75
+ },
+ "0,11"
+ ],
+ [
+ {
+ "w": 1.25
+ },
+ "1,0",
+ "1,1",
+ "1,2",
+ "1,3",
+ "1,4",
+ "1,5",
+ "1,6",
+ "1,7",
+ "1,8",
+ "1,9",
+ "1,10",
+ {
+ "w": 1.5
+ },
+ "1,11"
+ ],
+ [
+ {
+ "w": 1.75
+ },
+ "2,0",
+ "2,1",
+ "2,2",
+ "2,3",
+ "2,4",
+ "2,5",
+ "2,6",
+ "2,7",
+ "2,8",
+ "2,9",
+ "2,10",
+ "2,11"
+ ],
+ [
+ "3,0",
+ "3,1\n\n\n0,0",
+ "3,2\n\n\n0,0",
+ {
+ "w": 6.25
+ },
+ "3,5\n\n\n0,0",
+ {
+ "a": 7,
+ "w": 0.5,
+ "d": true
+ },
+ "",
+ {
+ "a": 4
+ },
+ "3,9",
+ "3,10",
+ "3,11"
+ ],
+ [
+ {
+ "x": 1,
+ "w": 1.25
+ },
+ "3,1\n\n\n0,1",
+ "3,2\n\n\n0,1",
+ {
+ "w": 2.75
+ },
+ "3,3\n\n\n0,1",
+ {
+ "w": 2.25
+ },
+ "3,6\n\n\n0,1",
+ "3,7\n\n\n0,1"
+ ],
+ [
+ {
+ "x": 1,
+ "w": 1.25
+ },
+ "3,1\n\n\n0,2",
+ "3,2\n\n\n0,2",
+ {
+ "w": 3
+ },
+ "3,3\n\n\n0,2",
+ {
+ "w": 3
+ },
+ "3,6\n\n\n0,2"
+ ]
+]
+}
+}
\ No newline at end of file
diff --git a/keyboards/melonbred/mb44v2/readme.md b/keyboards/melonbred/mb44v2/readme.md
new file mode 100644
index 0000000000..d686352eac
--- /dev/null
+++ b/keyboards/melonbred/mb44v2/readme.md
@@ -0,0 +1,27 @@
+# mb44v2
+
+
+
+_A short description of the keyboard/project_
+
+- Keyboard Maintainer: [melonbred](https://github.com/melonbred)
+- Hardware Supported: _The PCBs, controllers supported_
+- Hardware Availability: _Links to where you can find this hardware_
+
+Make example for this keyboard (after setting up your build environment):
+
+ make mb44v2:default
+
+Flashing example for this keyboard:
+
+ make mb44v2: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).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+- **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard
+- **Physical reset button**: Briefly press the button on the back of the PCB - some may have pads you must short instead
+- **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available