diff --git a/keyboards/ymdk/id75/board.h b/keyboards/ymdk/id75/board.h
new file mode 100644
index 000000000000..49270b36a050
--- /dev/null
+++ b/keyboards/ymdk/id75/board.h
@@ -0,0 +1,22 @@
+/* Copyright 2022 JasonRen(biu)
+ *
+ * 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_HSECLK
+#define STM32_HSECLK 16000000
diff --git a/keyboards/ymdk/id75/config.h b/keyboards/ymdk/id75/config.h
new file mode 100644
index 000000000000..02e9d4a2833e
--- /dev/null
+++ b/keyboards/ymdk/id75/config.h
@@ -0,0 +1,31 @@
+/* Copyright 2021 MT
+ *
+ * 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 RGB_DI_PIN B9
+#define RGB_MATRIX_LED_COUNT 89
+
+#define RGB_DISABLE_WHEN_USB_SUSPENDED
+
+#define RGB_MATRIX_KEYPRESSES
+#define RGB_MATRIX_FRAMEBUFFER_EFFECTS
+
+#define WS2812_PWM_DRIVER PWMD4
+#define WS2812_PWM_CHANNEL 4
+#define WS2812_PWM_PAL_MODE 2
+#define WS2812_DMA_STREAM STM32_DMA1_STREAM7
+#define WS2812_DMA_CHANNEL 7
diff --git a/keyboards/ymdk/id75/halconf.h b/keyboards/ymdk/id75/halconf.h
new file mode 100644
index 000000000000..612ce4fc4a8f
--- /dev/null
+++ b/keyboards/ymdk/id75/halconf.h
@@ -0,0 +1,21 @@
+/* Copyright 2020 QMK
+ *
+ * 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/ymdk/id75/id75.c b/keyboards/ymdk/id75/id75.c
new file mode 100644
index 000000000000..dc56797cad66
--- /dev/null
+++ b/keyboards/ymdk/id75/id75.c
@@ -0,0 +1,30 @@
+/* Copyright 2021 MT
+ *
+ * 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"
+
+#ifdef RGB_MATRIX_ENABLE
+bool rgb_matrix_indicators_kb(void) {
+ if (!rgb_matrix_indicators_user()) {
+ return false;
+ }
+
+ if (host_keyboard_led_state().caps_lock) { // Capslock = RED
+ rgb_matrix_set_color(44, 200, 0, 0);
+ }
+ return true;
+}
+#endif
diff --git a/keyboards/ymdk/id75/info.json b/keyboards/ymdk/id75/info.json
new file mode 100644
index 000000000000..5ed25bc28eb5
--- /dev/null
+++ b/keyboards/ymdk/id75/info.json
@@ -0,0 +1,250 @@
+{
+ "manufacturer": "YMDK",
+ "keyboard_name": "Idobao x YMDK ID75",
+ "maintainer": "qmk",
+ "bootloader": "uf2boot",
+ "board": "STM32_F103_STM32DUINO",
+ "diode_direction": "ROW2COL",
+ "features": {
+ "bootmagic": true,
+ "extrakey": true,
+ "mousekey": true,
+ "nkro": true,
+ "rgb_matrix": true
+ },
+ "matrix_pins": {
+ "cols": ["A10", "A9", "A8", "B15", "B14", "B13", "B12", "A5", "A6", "A4", "A3", "A2", "A1", "A0", "A15"],
+ "rows": ["B2", "B1", "B0", "A7", "B10"]
+ },
+ "processor": "STM32F103",
+ "ws2812": {
+ "driver": "pwm"
+ },
+ "rgb_matrix": {
+ "animations": {
+ "alphas_mods": true,
+ "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,
+ "rainbow_moving_chevron": true,
+ "cycle_out_in": true,
+ "cycle_out_in_dual": true,
+ "cycle_pinwheel": true,
+ "cycle_spiral": true,
+ "dual_beacon": true,
+ "rainbow_beacon": true,
+ "rainbow_pinwheels": true,
+ "raindrops": true,
+ "jellybean_raindrops": true,
+ "hue_breathing": true,
+ "hue_pendulum": true,
+ "hue_wave": true,
+ "pixel_rain": true,
+ "pixel_flow": true,
+ "pixel_fractal": 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": [4, 14], "x": 224, "y": 64 },
+ { "flags": 4, "matrix": [4, 13], "x": 208, "y": 64 },
+ { "flags": 4, "matrix": [4, 12], "x": 192, "y": 64 },
+ { "flags": 4, "matrix": [4, 11], "x": 176, "y": 64 },
+ { "flags": 4, "matrix": [4, 10], "x": 160, "y": 64 },
+ { "flags": 4, "matrix": [4, 9], "x": 144, "y": 64 },
+ { "flags": 4, "matrix": [4, 8], "x": 128, "y": 64 },
+ { "flags": 4, "matrix": [4, 7], "x": 112, "y": 64 },
+ { "flags": 4, "matrix": [4, 6], "x": 96, "y": 64 },
+ { "flags": 4, "matrix": [4, 5], "x": 80, "y": 64 },
+ { "flags": 4, "matrix": [4, 4], "x": 64, "y": 64 },
+ { "flags": 4, "matrix": [4, 3], "x": 48, "y": 64 },
+ { "flags": 4, "matrix": [4, 2], "x": 32, "y": 64 },
+ { "flags": 4, "matrix": [4, 1], "x": 16, "y": 64 },
+ { "flags": 4, "matrix": [4, 0], "x": 0, "y": 64 },
+ { "flags": 4, "matrix": [3, 14], "x": 224, "y": 48 },
+ { "flags": 4, "matrix": [3, 13], "x": 208, "y": 48 },
+ { "flags": 4, "matrix": [3, 12], "x": 192, "y": 48 },
+ { "flags": 4, "matrix": [3, 11], "x": 176, "y": 48 },
+ { "flags": 4, "matrix": [3, 10], "x": 160, "y": 48 },
+ { "flags": 4, "matrix": [3, 9], "x": 144, "y": 48 },
+ { "flags": 4, "matrix": [3, 8], "x": 128, "y": 48 },
+ { "flags": 4, "matrix": [3, 7], "x": 112, "y": 48 },
+ { "flags": 4, "matrix": [3, 6], "x": 96, "y": 48 },
+ { "flags": 4, "matrix": [3, 5], "x": 80, "y": 48 },
+ { "flags": 4, "matrix": [3, 4], "x": 64, "y": 48 },
+ { "flags": 4, "matrix": [3, 3], "x": 48, "y": 48 },
+ { "flags": 4, "matrix": [3, 2], "x": 32, "y": 48 },
+ { "flags": 4, "matrix": [3, 1], "x": 16, "y": 48 },
+ { "flags": 4, "matrix": [3, 0], "x": 0, "y": 48 },
+ { "flags": 4, "matrix": [2, 14], "x": 224, "y": 32 },
+ { "flags": 4, "matrix": [2, 13], "x": 208, "y": 32 },
+ { "flags": 4, "matrix": [2, 12], "x": 192, "y": 32 },
+ { "flags": 4, "matrix": [2, 11], "x": 176, "y": 32 },
+ { "flags": 4, "matrix": [2, 10], "x": 160, "y": 32 },
+ { "flags": 4, "matrix": [2, 9], "x": 144, "y": 32 },
+ { "flags": 4, "matrix": [2, 8], "x": 128, "y": 32 },
+ { "flags": 4, "matrix": [2, 7], "x": 112, "y": 32 },
+ { "flags": 4, "matrix": [2, 6], "x": 96, "y": 32 },
+ { "flags": 4, "matrix": [2, 5], "x": 80, "y": 32 },
+ { "flags": 4, "matrix": [2, 4], "x": 64, "y": 32 },
+ { "flags": 4, "matrix": [2, 3], "x": 48, "y": 32 },
+ { "flags": 4, "matrix": [2, 2], "x": 32, "y": 32 },
+ { "flags": 4, "matrix": [2, 1], "x": 16, "y": 32 },
+ { "flags": 4, "matrix": [2, 0], "x": 0, "y": 32 },
+ { "flags": 4, "matrix": [1, 14], "x": 224, "y": 16 },
+ { "flags": 4, "matrix": [1, 13], "x": 208, "y": 16 },
+ { "flags": 4, "matrix": [1, 12], "x": 192, "y": 16 },
+ { "flags": 4, "matrix": [1, 11], "x": 176, "y": 16 },
+ { "flags": 4, "matrix": [1, 10], "x": 160, "y": 16 },
+ { "flags": 4, "matrix": [1, 9], "x": 144, "y": 16 },
+ { "flags": 4, "matrix": [1, 8], "x": 128, "y": 16 },
+ { "flags": 4, "matrix": [1, 7], "x": 112, "y": 16 },
+ { "flags": 4, "matrix": [1, 6], "x": 96, "y": 16 },
+ { "flags": 4, "matrix": [1, 5], "x": 80, "y": 16 },
+ { "flags": 4, "matrix": [1, 4], "x": 64, "y": 16 },
+ { "flags": 4, "matrix": [1, 3], "x": 48, "y": 16 },
+ { "flags": 4, "matrix": [1, 2], "x": 32, "y": 16 },
+ { "flags": 4, "matrix": [1, 1], "x": 16, "y": 16 },
+ { "flags": 4, "matrix": [1, 0], "x": 0, "y": 16 },
+ { "flags": 4, "matrix": [0, 14], "x": 224, "y": 0 },
+ { "flags": 4, "matrix": [0, 13], "x": 208, "y": 0 },
+ { "flags": 4, "matrix": [0, 12], "x": 192, "y": 0 },
+ { "flags": 4, "matrix": [0, 11], "x": 176, "y": 0 },
+ { "flags": 4, "matrix": [0, 10], "x": 160, "y": 0 },
+ { "flags": 4, "matrix": [0, 9], "x": 144, "y": 0 },
+ { "flags": 4, "matrix": [0, 8], "x": 128, "y": 0 },
+ { "flags": 4, "matrix": [0, 7], "x": 112, "y": 0 },
+ { "flags": 4, "matrix": [0, 6], "x": 96, "y": 0 },
+ { "flags": 4, "matrix": [0, 5], "x": 80, "y": 0 },
+ { "flags": 4, "matrix": [0, 4], "x": 64, "y": 0 },
+ { "flags": 4, "matrix": [0, 3], "x": 48, "y": 0 },
+ { "flags": 4, "matrix": [0, 2], "x": 32, "y": 0 },
+ { "flags": 4, "matrix": [0, 1], "x": 16, "y": 0 },
+ { "flags": 4, "matrix": [0, 0], "x": 0, "y": 0 },
+ { "flags": 2, "x": 0, "y": 64 },
+ { "flags": 2, "x": 38, "y": 64 },
+ { "flags": 2, "x": 76, "y": 64 },
+ { "flags": 2, "x": 114, "y": 64 },
+ { "flags": 2, "x": 152, "y": 64 },
+ { "flags": 2, "x": 190, "y": 64 },
+ { "flags": 2, "x": 224, "y": 64 },
+ { "flags": 2, "x": 0, "y": 0 },
+ { "flags": 2, "x": 38, "y": 0 },
+ { "flags": 2, "x": 76, "y": 0 },
+ { "flags": 2, "x": 114, "y": 0 },
+ { "flags": 2, "x": 152, "y": 0 },
+ { "flags": 2, "x": 190, "y": 0 },
+ { "flags": 2, "x": 224, "y": 0 }
+ ],
+ "max_brightness": 128
+ },
+ "usb": {
+ "device_version": "0.0.1",
+ "pid": "0x0075",
+ "vid": "0x594D"
+ },
+ "community_layouts": [ "ortho_5x15" ],
+ "layouts": {
+ "LAYOUT_ortho_5x15": {
+ "layout": [
+ { "label": "k00", "matrix": [0, 0], "w": 1, "x": 0, "y": 0 },
+ { "label": "k01", "matrix": [0, 1], "w": 1, "x": 1, "y": 0 },
+ { "label": "k02", "matrix": [0, 2], "w": 1, "x": 2, "y": 0 },
+ { "label": "k03", "matrix": [0, 3], "w": 1, "x": 3, "y": 0 },
+ { "label": "k04", "matrix": [0, 4], "w": 1, "x": 4, "y": 0 },
+ { "label": "k05", "matrix": [0, 5], "w": 1, "x": 5, "y": 0 },
+ { "label": "k06", "matrix": [0, 6], "w": 1, "x": 6, "y": 0 },
+ { "label": "k07", "matrix": [0, 7], "w": 1, "x": 7, "y": 0 },
+ { "label": "k08", "matrix": [0, 8], "w": 1, "x": 8, "y": 0 },
+ { "label": "k09", "matrix": [0, 9], "w": 1, "x": 9, "y": 0 },
+ { "label": "k0A", "matrix": [0, 10], "w": 1, "x": 10, "y": 0 },
+ { "label": "k0B", "matrix": [0, 11], "w": 1, "x": 11, "y": 0 },
+ { "label": "k0C", "matrix": [0, 12], "w": 1, "x": 12, "y": 0 },
+ { "label": "k0D", "matrix": [0, 13], "w": 1, "x": 13, "y": 0 },
+ { "label": "k0E", "matrix": [0, 14], "w": 1, "x": 14, "y": 0 },
+ { "label": "k10", "matrix": [1, 0], "w": 1, "x": 0, "y": 1 },
+ { "label": "k11", "matrix": [1, 1], "w": 1, "x": 1, "y": 1 },
+ { "label": "k12", "matrix": [1, 2], "w": 1, "x": 2, "y": 1 },
+ { "label": "k13", "matrix": [1, 3], "w": 1, "x": 3, "y": 1 },
+ { "label": "k14", "matrix": [1, 4], "w": 1, "x": 4, "y": 1 },
+ { "label": "k15", "matrix": [1, 5], "w": 1, "x": 5, "y": 1 },
+ { "label": "k16", "matrix": [1, 6], "w": 1, "x": 6, "y": 1 },
+ { "label": "k17", "matrix": [1, 7], "w": 1, "x": 7, "y": 1 },
+ { "label": "k18", "matrix": [1, 8], "w": 1, "x": 8, "y": 1 },
+ { "label": "k19", "matrix": [1, 9], "w": 1, "x": 9, "y": 1 },
+ { "label": "k1A", "matrix": [1, 10], "w": 1, "x": 10, "y": 1 },
+ { "label": "k1B", "matrix": [1, 11], "w": 1, "x": 11, "y": 1 },
+ { "label": "k1C", "matrix": [1, 12], "w": 1, "x": 12, "y": 1 },
+ { "label": "k1D", "matrix": [1, 13], "w": 1, "x": 13, "y": 1 },
+ { "label": "k1E", "matrix": [1, 14], "w": 1, "x": 14, "y": 1 },
+ { "label": "k20", "matrix": [2, 0], "w": 1, "x": 0, "y": 2 },
+ { "label": "k21", "matrix": [2, 1], "w": 1, "x": 1, "y": 2 },
+ { "label": "k22", "matrix": [2, 2], "w": 1, "x": 2, "y": 2 },
+ { "label": "k23", "matrix": [2, 3], "w": 1, "x": 3, "y": 2 },
+ { "label": "k24", "matrix": [2, 4], "w": 1, "x": 4, "y": 2 },
+ { "label": "k25", "matrix": [2, 5], "w": 1, "x": 5, "y": 2 },
+ { "label": "k26", "matrix": [2, 6], "w": 1, "x": 6, "y": 2 },
+ { "label": "k27", "matrix": [2, 7], "w": 1, "x": 7, "y": 2 },
+ { "label": "k28", "matrix": [2, 8], "w": 1, "x": 8, "y": 2 },
+ { "label": "k29", "matrix": [2, 9], "w": 1, "x": 9, "y": 2 },
+ { "label": "k2A", "matrix": [2, 10], "w": 1, "x": 10, "y": 2 },
+ { "label": "k2B", "matrix": [2, 11], "w": 1, "x": 11, "y": 2 },
+ { "label": "k2C", "matrix": [2, 12], "w": 1, "x": 12, "y": 2 },
+ { "label": "k2D", "matrix": [2, 13], "w": 1, "x": 13, "y": 2 },
+ { "label": "k2E", "matrix": [2, 14], "w": 1, "x": 14, "y": 2 },
+ { "label": "k30", "matrix": [3, 0], "w": 1, "x": 0, "y": 3 },
+ { "label": "k31", "matrix": [3, 1], "w": 1, "x": 1, "y": 3 },
+ { "label": "k32", "matrix": [3, 2], "w": 1, "x": 2, "y": 3 },
+ { "label": "k33", "matrix": [3, 3], "w": 1, "x": 3, "y": 3 },
+ { "label": "k34", "matrix": [3, 4], "w": 1, "x": 4, "y": 3 },
+ { "label": "k35", "matrix": [3, 5], "w": 1, "x": 5, "y": 3 },
+ { "label": "k36", "matrix": [3, 6], "w": 1, "x": 6, "y": 3 },
+ { "label": "k37", "matrix": [3, 7], "w": 1, "x": 7, "y": 3 },
+ { "label": "k38", "matrix": [3, 8], "w": 1, "x": 8, "y": 3 },
+ { "label": "k39", "matrix": [3, 9], "w": 1, "x": 9, "y": 3 },
+ { "label": "k3A", "matrix": [3, 10], "w": 1, "x": 10, "y": 3 },
+ { "label": "k3B", "matrix": [3, 11], "w": 1, "x": 11, "y": 3 },
+ { "label": "k3C", "matrix": [3, 12], "w": 1, "x": 12, "y": 3 },
+ { "label": "k3D", "matrix": [3, 13], "w": 1, "x": 13, "y": 3 },
+ { "label": "k3E", "matrix": [3, 14], "w": 1, "x": 14, "y": 3 },
+ { "label": "k40", "matrix": [4, 0], "w": 1, "x": 0, "y": 4 },
+ { "label": "k41", "matrix": [4, 1], "w": 1, "x": 1, "y": 4 },
+ { "label": "k42", "matrix": [4, 2], "w": 1, "x": 2, "y": 4 },
+ { "label": "k43", "matrix": [4, 3], "w": 1, "x": 3, "y": 4 },
+ { "label": "k44", "matrix": [4, 4], "w": 1, "x": 4, "y": 4 },
+ { "label": "k45", "matrix": [4, 5], "w": 1, "x": 5, "y": 4 },
+ { "label": "k46", "matrix": [4, 6], "w": 1, "x": 6, "y": 4 },
+ { "label": "k47", "matrix": [4, 7], "w": 1, "x": 7, "y": 4 },
+ { "label": "k48", "matrix": [4, 8], "w": 1, "x": 8, "y": 4 },
+ { "label": "k49", "matrix": [4, 9], "w": 1, "x": 9, "y": 4 },
+ { "label": "k4A", "matrix": [4, 10], "w": 1, "x": 10, "y": 4 },
+ { "label": "k4B", "matrix": [4, 11], "w": 1, "x": 11, "y": 4 },
+ { "label": "k4C", "matrix": [4, 12], "w": 1, "x": 12, "y": 4 },
+ { "label": "k4D", "matrix": [4, 13], "w": 1, "x": 13, "y": 4 },
+ { "label": "k4E", "matrix": [4, 14], "w": 1, "x": 14, "y": 4 }
+ ]
+ }
+ }
+}
diff --git a/keyboards/ymdk/id75/keymaps/default/keymap.json b/keyboards/ymdk/id75/keymaps/default/keymap.json
new file mode 100644
index 000000000000..cfea8be49476
--- /dev/null
+++ b/keyboards/ymdk/id75/keymaps/default/keymap.json
@@ -0,0 +1,24 @@
+{
+ "version": 1,
+ "author": "qmk",
+ "notes": "",
+ "keyboard": "ymdk/id75",
+ "keymap": "default",
+ "layout": "LAYOUT_ortho_5x15",
+ "layers": [
+ [
+ "KC_ESC", "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_BSLS", "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_LBRC", "KC_RBRC", "KC_BSPC", "KC_DEL",
+ "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_ENT", "KC_PGUP",
+ "KC_LSFT", "KC_Z", "KC_X", "KC_C", "KC_V", "KC_B", "KC_N", "KC_M", "KC_COMM", "KC_DOT", "KC_SLSH", "KC_RSFT", "MO(1)", "KC_UP", "KC_PGDN",
+ "KC_LCTL", "KC_LGUI", "KC_LALT", "KC_SPC", "KC_SPC", "KC_SPC", "KC_SPC", "KC_SPC", "KC_SPC", "KC_RALT", "KC_RCTL", "KC_RCTL", "KC_LEFT", "KC_DOWN", "KC_RGHT"
+ ],
+ [
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "RGB_MOD", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "QK_BOOT"
+ ]
+ ]
+}
diff --git a/keyboards/ymdk/id75/keymaps/via/keymap.json b/keyboards/ymdk/id75/keymaps/via/keymap.json
new file mode 100644
index 000000000000..8be803d4a97e
--- /dev/null
+++ b/keyboards/ymdk/id75/keymaps/via/keymap.json
@@ -0,0 +1,43 @@
+{
+ "version": 1,
+ "author": "qmk",
+ "notes": "",
+ "config": {
+ "features": {
+ "via": true
+ }
+ },
+ "keyboard": "ymdk/id75",
+ "keymap": "via",
+ "layout": "LAYOUT_ortho_5x15",
+ "layers": [
+ [
+ "KC_ESC", "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_BSLS", "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_LBRC", "KC_RBRC", "KC_BSPC", "KC_DEL",
+ "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_ENT", "KC_PGUP",
+ "KC_LSFT", "KC_Z", "KC_X", "KC_C", "KC_V", "KC_B", "KC_N", "KC_M", "KC_COMM", "KC_DOT", "KC_SLSH", "KC_RSFT", "MO(1)", "KC_UP", "KC_PGDN",
+ "KC_LCTL", "KC_LGUI", "KC_LALT", "KC_SPC", "KC_SPC", "KC_SPC", "KC_SPC", "KC_SPC", "KC_SPC", "KC_RALT", "KC_RCTL", "KC_RCTL", "KC_LEFT", "KC_DOWN", "KC_RGHT"
+ ],
+ [
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "RGB_MOD", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "QK_BOOT"
+ ],
+ [
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS"
+ ],
+ [
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS",
+ "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS", "KC_TRNS"
+ ]
+ ]
+}
diff --git a/keyboards/ymdk/id75/mcuconf.h b/keyboards/ymdk/id75/mcuconf.h
new file mode 100644
index 000000000000..0d3de3dad51f
--- /dev/null
+++ b/keyboards/ymdk/id75/mcuconf.h
@@ -0,0 +1,25 @@
+/* Copyright 2020 QMK
+ *
+ * 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_TIM4
+#define STM32_PWM_USE_TIM4 TRUE
+
+#undef STM32_PLLXTPRE
+#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV2
diff --git a/keyboards/ymdk/id75/readme.md b/keyboards/ymdk/id75/readme.md
new file mode 100644
index 000000000000..9315745f71dd
--- /dev/null
+++ b/keyboards/ymdk/id75/readme.md
@@ -0,0 +1,30 @@
+# Idobao x YMDK ID75
+
+
+
+A 75-key, 5-row ortholinear keyboard with per-key and underglow RGB LEDs.
+
+* Keyboard Maintainer: [The QMK Community](https://github.com/qmk)
+* Hardware Supported: [Idobao x YMDK ID75 PCB (APM32F103CBT6)](https://www.aliexpress.com/item/3256804537842097.html)
+ * This PCB uses an ARM Cortex-M3 MCU with 128kb flash. **It is not the same as `idobao/id75` or `ymdk/ymd75`.**
+* Hardware Availability: [YMDK](https://ymdkey.com/products/id75-75-keys-ortholinear-layout-qmk-anodized-aluminum-case-plate-hot-swappable-hot-swap-type-c-pcb-mechanical-keyboard-kit), [AliExpress (YMDK Store)](https://www.aliexpress.com/item/2255800125183974.html), [Amazon](https://www.amazon.com/Ortholinear-Anodized-Aluminum-hot-swappable-Mechanical/dp/B07ZQ8CD88)
+
+Make example for this keyboard (after setting up your build environment):
+
+ make ymdk/id75:default
+
+Flashing example for this keyboard:
+
+ make ymdk/id75: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 top left key and plug in the keyboard. This will also clear the emulated EEPROM, so it is a good first step if the keyboard is misbehaving.
+* **Physical reset button**: Press the button on the back of the PCB twice in quick succession.
+* **Keycode in layout**: Press the key mapped to `QK_BOOT`. In the pre-supplied keymaps it is on the second layer, in the bottom-right corner.
+
+After entering the bootloader through one of the three methods above, the keyboard will appear as a USB mass storage device named `MT.KEY`. If the CLI is unable to find this device, the compiled `.uf2` file can be manually copied to it. The keyboard will reboot on completion with the new firmware loaded.
diff --git a/keyboards/ymdk/id75/rules.mk b/keyboards/ymdk/id75/rules.mk
new file mode 100644
index 000000000000..61d5793cc2fc
--- /dev/null
+++ b/keyboards/ymdk/id75/rules.mk
@@ -0,0 +1,9 @@
+# Configure for 128K flash
+#MCU_LDSCRIPT = STM32F103xB
+
+# Wildcard to allow APM32 MCU
+DFU_SUFFIX_ARGS = -p FFFF -v FFFF
+
+WS2812_DRIVER = pwm
+# Enter lower-power sleep mode when on the ChibiOS idle thread
+OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE