diff --git a/keyboards/mmd/common/smart_ble.c b/keyboards/mmd/common/smart_ble.c
new file mode 100644
index 000000000000..27946ca00f7f
--- /dev/null
+++ b/keyboards/mmd/common/smart_ble.c
@@ -0,0 +1,124 @@
+// /* Copyright 2024 Jacky
+// *
+// * 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 "uart.h"
+#include "ch.h"
+#include "hal.h"
+#include "host.h"
+#include "host_driver.h"
+#include "report.h"
+#include "smart_ble.h"
+
+static uint8_t sc_ble_leds(void) {
+ return 0; // TODO: Get LED status BLE
+}
+
+static void sc_ble_mouse(report_mouse_t *report) {
+ static uint8_t last_report[sizeof(report_mouse_t)]={0};
+
+ if (!has_mouse_report_changed((report_mouse_t *)last_report, report)) return;
+ memcpy(last_report,report,sizeof(report_mouse_t));
+ uart_write(0x55);
+ uart_write(sizeof(report_mouse_t));
+ uart_transmit(last_report,sizeof(report_mouse_t));
+}
+
+
+static void sc_ble_extra(report_extra_t *report) {
+ uart_write(0x55);
+ uart_write(sizeof(report_extra_t));
+ uart_transmit((uint8_t *)report,sizeof(report_extra_t));
+}
+
+static void sc_ble_keyboard(report_keyboard_t *report) {
+ uart_write(0x55);
+ uart_write(0x09);
+ uart_write(0x01);
+ uart_transmit((uint8_t *)report,KEYBOARD_REPORT_SIZE);
+}
+
+static void sc_send_nkro(report_nkro_t *report)
+{
+ uart_write(0x55);
+ uart_write(0x12);
+ uart_transmit((uint8_t *)report,0x12);
+}
+
+static host_driver_t *last_host_driver = NULL;
+static host_driver_t sc_ble_driver = {
+ sc_ble_leds, sc_ble_keyboard,sc_send_nkro,sc_ble_mouse, sc_ble_extra
+};
+
+
+void smart_ble_startup(void) {
+ if (host_get_driver() == &sc_ble_driver) {
+ return;
+ }
+ clear_keyboard();
+ last_host_driver = host_get_driver();
+ host_set_driver(&sc_ble_driver);
+}
+
+void smart_ble_disconnect(void) {
+ if (host_get_driver() != &sc_ble_driver) {
+ return;
+ }
+ clear_keyboard();
+ host_set_driver(last_host_driver);
+}
+
+
+void sc_ble_battary(uint8_t batt_level) {
+ uart_write(0x55);
+ uart_write(0x02);
+ uart_write(0x09);
+ uart_write(batt_level);
+}
+
+void WIRELESS_START(uint32_t mode)
+{
+ uint8_t ble_command[24];
+ smart_ble_startup();
+ if(mode<1 || mode>4)
+ {
+ mode=1;
+ }
+ ble_command[0]=0x55;
+ ble_command[1]=20;
+ ble_command[2]=0;
+ ble_command[3]=mode;
+ strcpy((char * restrict)(ble_command+4),PRODUCT);
+ ble_command[strlen(PRODUCT)+4]='-';
+ ble_command[strlen(PRODUCT)+5]='0' + mode;
+ ble_command[strlen(PRODUCT)+6]= 0;
+ uart_transmit(ble_command,sizeof(ble_command));
+}
+
+void WIRELESS_STOP(void)
+{
+ smart_ble_disconnect();
+ uart_write(0x55);
+ uart_write(0x02);
+ uart_write(0x00);
+ uart_write(0x00);
+}
+
+
+
+
+
+
+
diff --git a/keyboards/mmd/common/smart_ble.h b/keyboards/mmd/common/smart_ble.h
new file mode 100644
index 000000000000..d5d16489d136
--- /dev/null
+++ b/keyboards/mmd/common/smart_ble.h
@@ -0,0 +1,32 @@
+// /* Copyright 2024 Jacky
+// *
+// * 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 .
+// */
+
+#pragma once
+#include "quantum.h"
+
+void sc_ble_battary(uint8_t batt_level);
+void WIRELESS_START(uint32_t mode);
+void WIRELESS_STOP(void);
+
+
+
+
+
+
+
+
+
+
diff --git a/keyboards/mmd/km75/config.h b/keyboards/mmd/km75/config.h
new file mode 100644
index 000000000000..f9c843416003
--- /dev/null
+++ b/keyboards/mmd/km75/config.h
@@ -0,0 +1,25 @@
+/* Copyright 2022 Jacky
+ *
+ * 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 .
+ */
+
+
+#pragma once
+
+#define WS2812_PWM_DRIVER PWMD3
+#define WS2812_PWM_CHANNEL 1
+#define WS2812_PWM_PAL_MODE 2
+#define WS2812_DMA_STREAM STM32_DMA1_STREAM3
+#define WS2812_DMA_CHANNEL 3
+
diff --git a/keyboards/mmd/km75/halconf.h b/keyboards/mmd/km75/halconf.h
new file mode 100644
index 000000000000..038dee0c0c63
--- /dev/null
+++ b/keyboards/mmd/km75/halconf.h
@@ -0,0 +1,22 @@
+/* Copyright 2022 Jacky
+ *
+ * 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 .
+ */
+
+
+#pragma once
+
+#define HAL_USE_PWM TRUE
+
+#include_next
diff --git a/keyboards/mmd/km75/keyboard.json b/keyboards/mmd/km75/keyboard.json
new file mode 100644
index 000000000000..67404bf05cf3
--- /dev/null
+++ b/keyboards/mmd/km75/keyboard.json
@@ -0,0 +1,261 @@
+{
+ "manufacturer": "MMD",
+ "keyboard_name": "MMD-KM75",
+ "maintainer": "Smartmmd",
+ "bootloader": "stm32duino",
+ "diode_direction": "ROW2COL",
+ "encoder": {
+ "rotary": [
+ {"pin_a": "B3", "pin_b": "A7", "resolution": 2}
+ ]
+ },
+ "features": {
+ "bootmagic": true,
+ "console": true,
+ "extrakey": true,
+ "mousekey": true,
+ "nkro": true,
+ "rgb_matrix": true,
+ "encoder": true
+ },
+ "matrix_pins": {
+ "cols": ["B0", "C15", "C14", "C13", "A15", "B7", "B6", "B5", "B4", "B12", "B13", "B14", "A14", "B2", "B15"],
+ "rows": ["A0", "A1", "A2", "A3", "A4", "A5"]
+ },
+ "processor": "STM32F103",
+ "rgb_matrix": {
+ "animations": {
+ "gradient_up_down": true,
+ "gradient_left_right": true,
+ "breathing": true,
+ "band_sat": true,
+ "band_val": true,
+ "band_pinwheel_sat": true,
+ "band_pinwheel_val": true,
+ "band_spiral_sat": true,
+ "band_spiral_val": true,
+ "cycle_all": true,
+ "cycle_left_right": true,
+ "cycle_up_down": true,
+ "cycle_out_in": true,
+ "cycle_out_in_dual": true,
+ "rainbow_moving_chevron": true,
+ "cycle_pinwheel": true,
+ "cycle_spiral": true,
+ "dual_beacon": true,
+ "rainbow_beacon": true,
+ "rainbow_pinwheels": true,
+ "hue_breathing": true,
+ "hue_pendulum": true,
+ "hue_wave": true,
+ "typing_heatmap": true,
+ "digital_rain": true,
+ "solid_reactive_simple": true,
+ "solid_reactive": true,
+ "solid_reactive_wide": true,
+ "solid_reactive_multiwide": true,
+ "solid_reactive_cross": true,
+ "solid_reactive_multicross": true,
+ "solid_reactive_nexus": true,
+ "solid_reactive_multinexus": true,
+ "splash": true,
+ "multisplash": true,
+ "solid_splash": true,
+ "solid_multisplash": true
+ },
+ "driver": "ws2812",
+ "layout": [
+ { "flags": 4, "matrix": [5, 5], "x": 93, "y": 64 },
+ { "flags": 4, "matrix": [5, 10], "x": 150, "y": 64 },
+ { "flags": 4, "matrix": [5, 11], "x": 169, "y": 64 },
+ { "flags": 4, "matrix": [5, 12], "x": 194, "y": 64 },
+ { "flags": 4, "matrix": [5, 13], "x": 209, "y": 64 },
+ { "flags": 4, "matrix": [5, 14], "x": 224, "y": 64 },
+
+ { "flags": 4, "matrix": [4, 14], "x": 224, "y": 52 },
+ { "flags": 4, "matrix": [4, 13], "x": 213, "y": 52 },
+ { "flags": 4, "matrix": [4, 12], "x": 192, "y": 52 },
+ { "flags": 4, "matrix": [4, 11], "x": 172, "y": 52 },
+ { "flags": 4, "matrix": [4, 10], "x": 156, "y": 52 },
+ { "flags": 4, "matrix": [4, 9], "x": 141, "y": 52 },
+ { "flags": 4, "matrix": [4, 8], "x": 126, "y": 52 },
+ { "flags": 4, "matrix": [4, 7], "x": 111, "y": 52 },
+ { "flags": 4, "matrix": [4, 6], "x": 95, "y": 52 },
+ { "flags": 4, "matrix": [4, 5], "x": 80, "y": 52 },
+ { "flags": 4, "matrix": [4, 4], "x": 65, "y": 52 },
+ { "flags": 4, "matrix": [4, 3], "x": 50, "y": 52 },
+ { "flags": 4, "matrix": [4, 2], "x": 34, "y": 52 },
+
+ { "flags": 4, "matrix": [5, 2], "x": 40, "y": 64 },
+ { "flags": 4, "matrix": [5, 1], "x": 21, "y": 64 },
+ { "flags": 4, "matrix": [5, 0], "x": 2, "y": 64 },
+ { "flags": 4, "matrix": [4, 0], "x": 10, "y": 52 },
+
+ { "flags": 4, "matrix": [3, 0], "x": 1, "y": 40 },
+ { "flags": 4, "matrix": [3, 1], "x": 22, "y": 40 },
+ { "flags": 4, "matrix": [3, 2], "x": 37, "y": 40 },
+ { "flags": 4, "matrix": [3, 3], "x": 52, "y": 40 },
+ { "flags": 4, "matrix": [3, 4], "x": 68, "y": 40 },
+ { "flags": 4, "matrix": [3, 5], "x": 83, "y": 40 },
+ { "flags": 4, "matrix": [3, 6], "x": 98, "y": 40 },
+ { "flags": 4, "matrix": [3, 7], "x": 113,"y": 40 },
+ { "flags": 4, "matrix": [3, 8], "x": 129,"y": 40 },
+ { "flags": 4, "matrix": [3, 9], "x": 144,"y": 40 },
+ { "flags": 4, "matrix": [3, 10], "x": 159,"y": 40 },
+ { "flags": 4, "matrix": [3, 11], "x": 174,"y": 40 },
+ { "flags": 4, "matrix": [3, 13], "x": 199,"y": 40 },
+ { "flags": 4, "matrix": [3, 14], "x": 224,"y": 40 },
+
+ { "flags": 4, "matrix": [2, 14], "x": 224, "y": 28 },
+ { "flags": 4, "matrix": [2, 13], "x": 209, "y": 28 },
+ { "flags": 4, "matrix": [2, 12], "x": 190, "y": 28 },
+ { "flags": 4, "matrix": [2, 11], "x": 175, "y": 28 },
+ { "flags": 4, "matrix": [2, 10], "x": 160, "y": 28 },
+ { "flags": 4, "matrix": [2, 9], "x": 145, "y": 28 },
+ { "flags": 4, "matrix": [2, 8], "x": 129, "y": 28 },
+ { "flags": 4, "matrix": [2, 7], "x": 114, "y": 28 },
+ { "flags": 4, "matrix": [2, 6], "x": 99, "y": 28 },
+ { "flags": 4, "matrix": [2, 5], "x": 84, "y": 28 },
+ { "flags": 4, "matrix": [2, 4], "x": 69, "y": 28 },
+ { "flags": 4, "matrix": [2, 3], "x": 53, "y": 28 },
+ { "flags": 4, "matrix": [2, 2], "x": 38, "y": 28 },
+ { "flags": 4, "matrix": [2, 1], "x": 23, "y": 28 },
+ { "flags": 4, "matrix": [2, 0], "x": 4, "y": 28 },
+
+ { "flags": 4, "matrix": [1, 0], "x": 0, "y": 15 },
+ { "flags": 4, "matrix": [1, 1], "x": 11, "y": 15 },
+ { "flags": 4, "matrix": [1, 2], "x": 26, "y": 15 },
+ { "flags": 4, "matrix": [1, 3], "x": 41, "y": 15 },
+ { "flags": 4, "matrix": [1, 4], "x": 56, "y": 15 },
+ { "flags": 4, "matrix": [1, 5], "x": 72, "y": 15 },
+ { "flags": 4, "matrix": [1, 6], "x": 87, "y": 15 },
+ { "flags": 4, "matrix": [1, 7], "x": 102, "y": 15 },
+ { "flags": 4, "matrix": [1, 8], "x": 117, "y": 15 },
+ { "flags": 4, "matrix": [1, 9], "x": 133, "y": 15 },
+ { "flags": 4, "matrix": [1, 10], "x": 148, "y": 15 },
+ { "flags": 4, "matrix": [1, 11], "x": 163, "y": 15 },
+ { "flags": 4, "matrix": [1, 12], "x": 178, "y": 15 },
+ { "flags": 4, "matrix": [1, 13], "x": 201, "y": 15 },
+ { "flags": 4, "matrix": [1, 14], "x": 224, "y": 15 },
+
+ { "flags": 4, "matrix": [0, 13], "x": 213, "y": 0 },
+ { "flags": 4, "matrix": [0, 12], "x": 194, "y": 0 },
+ { "flags": 4, "matrix": [0, 11], "x": 179, "y": 0 },
+ { "flags": 4, "matrix": [0, 10], "x": 164, "y": 0 },
+ { "flags": 4, "matrix": [0, 9], "x": 149, "y": 0 },
+ { "flags": 4, "matrix": [0, 8], "x": 129, "y": 0 },
+ { "flags": 4, "matrix": [0, 7], "x": 114, "y": 0 },
+ { "flags": 4, "matrix": [0, 6], "x": 99, "y": 0 },
+ { "flags": 4, "matrix": [0, 5], "x": 84, "y": 0 },
+ { "flags": 4, "matrix": [0, 4], "x": 65, "y": 0 },
+ { "flags": 4, "matrix": [0, 3], "x": 50, "y": 0 },
+ { "flags": 4, "matrix": [0, 2], "x": 34, "y": 0 },
+ { "flags": 4, "matrix": [0, 1], "x": 19, "y": 0 },
+ { "flags": 4, "matrix": [0, 0], "x": 0, "y": 0 }
+ ]
+ },
+ "url": "www.i-chip.cn",
+ "usb": {
+ "device_version": "0.0.1",
+ "force_nkro": true,
+ "pid": "0x3021",
+ "vid": "0x28E9"
+ },
+ "ws2812": {
+ "driver": "pwm",
+ "pin": "A6"
+ },
+ "layouts": {
+ "LAYOUT": {
+ "layout": [
+ {"matrix":[0, 0],"x": 0,"y": 0},
+ {"matrix":[0, 1],"x": 1.25,"y": 0},
+ {"matrix":[0, 2],"x": 2.25, "y": 0},
+ {"matrix":[0, 3],"x": 3.25, "y": 0},
+ {"matrix":[0, 4],"x": 4.25, "y": 0},
+ {"matrix":[0, 5],"x": 5.5, "y": 0},
+ {"matrix":[0, 6],"x": 6.5, "y": 0},
+ {"matrix":[0, 7],"x": 7.5, "y": 0},
+ {"matrix":[0, 8],"x": 8.5, "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":[0, 12],"x": 12.75, "y": 0},
+ {"matrix":[0, 13],"x": 14, "y": 0},
+ {"matrix":[0, 14],"x": 15, "y": 0},
+
+ {"matrix":[1, 0],"x": 0, "y": 1.25},
+ {"matrix":[1, 1],"x": 1, "y": 1.25},
+ {"matrix":[1, 2],"x": 2, "y": 1.25},
+ {"matrix":[1, 3],"x": 3, "y": 1.25},
+ {"matrix":[1, 4],"x": 4, "y": 1.25},
+ {"matrix":[1, 5],"x": 5, "y": 1.25},
+ {"matrix":[1, 6],"x": 6, "y": 1.25},
+ {"matrix":[1, 7],"x": 7, "y": 1.25},
+ {"matrix":[1, 8],"x": 8, "y": 1.25},
+ {"matrix":[1, 9],"x": 9, "y": 1.25},
+ {"matrix":[1, 10],"x": 10, "y": 1.25},
+ {"matrix":[1, 11],"x": 11, "y": 1.25},
+ {"matrix":[1, 12],"x": 12, "y": 1.25},
+ {"matrix":[1, 13],"x": 13, "y": 1.25,"w":2},
+ {"matrix":[1, 14],"x": 15, "y": 1.25},
+
+ {"matrix":[2, 0],"x": 0, "y": 2.25,"w":1.5},
+ {"matrix":[2, 1],"x": 1.5, "y": 2.25},
+ {"matrix":[2, 2],"x": 2.5, "y": 2.25},
+ {"matrix":[2, 3],"x": 3.5, "y": 2.25},
+ {"matrix":[2, 4],"x": 4.5, "y": 2.25},
+ {"matrix":[2, 5],"x": 5.5, "y": 2.25},
+ {"matrix":[2, 6],"x": 6.5, "y": 2.25},
+ {"matrix":[2, 7],"x": 7.5, "y": 2.25},
+ {"matrix":[2, 8],"x": 8.5, "y": 2.25},
+ {"matrix":[2, 9],"x": 9.5, "y": 2.25},
+ {"matrix":[2, 10],"x": 10.5, "y": 2.25},
+ {"matrix":[2, 11],"x": 11.5, "y": 2.25},
+ {"matrix":[2, 12],"x": 12.5, "y": 2.25},
+ {"matrix":[2, 13],"x": 13.5, "y": 2.25,"w":1.5},
+ {"matrix":[2, 14],"x": 15, "y": 2.25},
+
+ {"matrix":[3, 0],"x": 0, "y": 3.25,"w":1.75},
+ {"matrix":[3, 1],"x": 1.75, "y": 3.25},
+ {"matrix":[3, 2],"x": 2.75, "y": 3.25},
+ {"matrix":[3, 3],"x": 3.75, "y": 3.25},
+ {"matrix":[3, 4],"x": 4.75, "y": 3.25},
+ {"matrix":[3, 5],"x": 5.75, "y": 3.25},
+ {"matrix":[3, 6],"x": 6.75, "y": 3.25},
+ {"matrix":[3, 7],"x": 7.75, "y": 3.25},
+ {"matrix":[3, 8],"x": 8.75, "y": 3.25},
+ {"matrix":[3, 9],"x": 9.75, "y": 3.25},
+ {"matrix":[3, 10],"x": 10.75, "y": 3.25},
+ {"matrix":[3, 11],"x": 11.75, "y": 3.25},
+ {"matrix":[3, 13],"x": 12.75, "y": 3.25,"w":2.25},
+ {"matrix":[3, 14],"x": 15, "y": 3.25},
+
+ {"matrix":[4, 0],"x": 0, "y": 4.25,"w":2.25},
+ {"matrix":[4, 2],"x": 2.25, "y": 4.25},
+ {"matrix":[4, 3],"x": 3.25, "y": 4.25},
+ {"matrix":[4, 4],"x": 4.25, "y": 4.25},
+ {"matrix":[4, 5],"x": 5.25, "y": 4.25},
+ {"matrix":[4, 6],"x": 6.25, "y": 4.25},
+ {"matrix":[4, 7],"x": 7.25, "y": 4.25},
+ {"matrix":[4, 8],"x": 8.25, "y": 4.25},
+ {"matrix":[4, 9],"x": 9.25, "y": 4.25},
+ {"matrix":[4, 10],"x": 10.25, "y": 4.25},
+ {"matrix":[4, 11],"x": 11.25, "y": 4.25},
+ {"matrix":[4, 12],"x": 12.25, "y": 4.25,"w":1.75},
+ {"matrix":[4, 13],"x": 14, "y": 4.25},
+ {"matrix":[4, 14],"x": 15, "y": 4.25},
+
+ {"matrix":[5, 0],"x": 0, "y": 5.25,"w":1.25},
+ {"matrix":[5, 1],"x": 1.25, "y": 5.25,"w":1.25},
+ {"matrix":[5, 2],"x": 2.5, "y": 5.25,"w":1.25},
+ {"matrix":[5, 5],"x": 3.75, "y": 5.25,"w":6.25},
+ {"matrix":[5, 10],"x": 10, "y": 5.25,"w":1.25},
+ {"matrix":[5, 11],"x": 11.25, "y": 5.25,"w":1.25},
+ {"matrix":[5, 12],"x": 13, "y": 5.25},
+ {"matrix":[5, 13],"x": 14, "y": 5.25},
+ {"matrix":[5, 14],"x": 15, "y": 5.25}
+ ]
+ }
+ }
+}
diff --git a/keyboards/mmd/km75/keymaps/default/keymap.c b/keyboards/mmd/km75/keymaps/default/keymap.c
new file mode 100644
index 000000000000..985fb6956732
--- /dev/null
+++ b/keyboards/mmd/km75/keymaps/default/keymap.c
@@ -0,0 +1,38 @@
+/* Copyright 2022 Jacky
+ *
+ * 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
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+ [0] = LAYOUT(
+ KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_DEL, _______,
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_HOME,
+ KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_PGUP,
+ 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_ENT, KC_PGDN,
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_UP, KC_END,
+ KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, MO(1), KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+ [1] = LAYOUT(
+ _______, KC_BRID, KC_BRIU, LGUI(KC_TAB), LGUI(KC_E), KC_MAIL, KC_WHOM, KC_MPRV, KC_MPLY, KC_MNXT, KC_MUTE, KC_VOLD, KC_VOLU, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, RGB_HUI, RGB_HUD, RGB_MOD, RGB_TOG,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, RGB_VAI, _______,
+ _______, _______, _______, _______, _______, _______, RGB_SPD, RGB_VAD, RGB_SPI
+ )
+};
+
diff --git a/keyboards/mmd/km75/km75.c b/keyboards/mmd/km75/km75.c
new file mode 100644
index 000000000000..002a5db65d79
--- /dev/null
+++ b/keyboards/mmd/km75/km75.c
@@ -0,0 +1,25 @@
+/* Copyright 2022 Jacky
+ *
+ * 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 "quantum.h"
+
+
+void keyboard_pre_init_kb(void) {
+ gpio_set_pin_output(A8);
+ gpio_write_pin_high(A8);
+
+ keyboard_pre_init_user();
+}
+
diff --git a/keyboards/mmd/km75/mcuconf.h b/keyboards/mmd/km75/mcuconf.h
new file mode 100644
index 000000000000..c9fccf3c50a7
--- /dev/null
+++ b/keyboards/mmd/km75/mcuconf.h
@@ -0,0 +1,22 @@
+/* Copyright 2022 Jacky
+ *
+ * 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 .
+ */
+
+#pragma once
+
+#include_next
+
+#undef STM32_PWM_USE_TIM3
+#define STM32_PWM_USE_TIM3 TRUE
diff --git a/keyboards/mmd/km75/readme.md b/keyboards/mmd/km75/readme.md
new file mode 100644
index 000000000000..1f0e138a71c5
--- /dev/null
+++ b/keyboards/mmd/km75/readme.md
@@ -0,0 +1,23 @@
+# MMD-KM75
+
+
+
+* A customizable soldering 75% keyboard.
+
+* Keyboard Maintainer: [MMD](https://github.com/Smartmmd)
+* Hardware Supported: [i-game](http://www.i-game.tech)
+* Hardware Availability: [i-game](http://www.i-game.tech)
+
+Make example for this keyboard (after setting up your build environment):
+
+ make mmd/km75:default
+Flashing example for this keyboard:
+
+ make mmd/km75:default:flash
+
+See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.
+
+## Bootloader ESC the bootloader in 3 ways:
+* **Bootmagic reset: Hold down Enter in the keyboard then replug
+* **Physical reset button: Briefly press the button on the back of the PCB
+* **Keycode in layout: Press the key mapped to QK_BOOT
diff --git a/keyboards/mmd/km75/rules.mk b/keyboards/mmd/km75/rules.mk
new file mode 100644
index 000000000000..5fae5866fd50
--- /dev/null
+++ b/keyboards/mmd/km75/rules.mk
@@ -0,0 +1 @@
+MCU_LDSCRIPT = STM32F103xB