diff --git a/keyboards/yandrstudio/nightstar75/board.h b/keyboards/yandrstudio/nightstar75/board.h
new file mode 100644
index 0000000000..d83804babd
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/board.h
@@ -0,0 +1,21 @@
+/* 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 "board.h"
+
+#undef STM32_HSECLK
+#define STM32_HSECLK 16000000
diff --git a/keyboards/yandrstudio/nightstar75/config.h b/keyboards/yandrstudio/nightstar75/config.h
new file mode 100644
index 0000000000..767628fc3f
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/config.h
@@ -0,0 +1,58 @@
+/* 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 "config_common.h"
+
+/* key matrix size */
+#define MATRIX_ROWS 6
+#define MATRIX_COLS 15
+
+#define MATRIX_COL_PINS { C13, C14, C15, A3, A4, A5, A6, B12, B13, B14, B15, A8, A9, A10, B8 }
+#define MATRIX_ROW_PINS { B0, B1, B2, B10, B11, B9 }
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION ROW2COL
+
+#ifdef RGBLIGHT_ENABLE
+
+# define RGB_DI_PIN A7
+# define RGBLED_NUM 4
+# define DRIVER_LED_TOTAL RGBLED_NUM
+# define RGBLIGHT_LIMIT_VAL 180
+
+# define RGBLIGHT_EFFECT_BREATHING
+# define RGBLIGHT_EFFECT_RAINBOW_MOOD
+# define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+# define RGBLIGHT_EFFECT_SNAKE
+# define RGBLIGHT_EFFECT_KNIGHT
+# define RGBLIGHT_EFFECT_CHRISTMAS
+# define RGBLIGHT_EFFECT_STATIC_GRADIENT
+# define RGBLIGHT_EFFECT_RGB_TEST
+# define RGBLIGHT_EFFECT_ALTERNATING
+# define RGBLIGHT_EFFECT_TWINKLE
+# define RGBLIGHT_DEFAULT_MODE RGBLIGHT_MODE_RAINBOW_MOOD
+
+# define RGBLIGHT_LAYERS
+# define RGBLIGHT_LAYERS_OVERRIDE_RGB_OFF
+# define RGBLIGHT_LAYERS_RETAIN_VAL
+
+# define WS2812_PWM_DRIVER PWMD3 // default: PWMD2
+# define WS2812_PWM_CHANNEL 2 // default: 2
+# define WS2812_PWM_PAL_MODE 2
+# define WS2812_DMA_STREAM STM32_DMA1_STREAM3
+# define WS2812_DMA_CHANNEL 3
+
+#endif
diff --git a/keyboards/yandrstudio/nightstar75/halconf.h b/keyboards/yandrstudio/nightstar75/halconf.h
new file mode 100644
index 0000000000..ba0354cfb3
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/halconf.h
@@ -0,0 +1,20 @@
+/* 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 HAL_USE_PWM
+#define HAL_USE_PWM TRUE
diff --git a/keyboards/yandrstudio/nightstar75/info.json b/keyboards/yandrstudio/nightstar75/info.json
new file mode 100644
index 0000000000..4f8105fae8
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/info.json
@@ -0,0 +1,423 @@
+{
+ "keyboard_name": "nightstar75",
+ "processor": "STM32F103",
+ "bootloader": "stm32duino",
+ "usb": {
+ "pid": "0xAA87",
+ "device_version": "1.0.0"
+ },
+ "layouts": {
+ "LAYOUT": {
+ "layout": [
+ {
+ "label": "0,0",
+ "x": 0,
+ "y": 0
+ },
+ {
+ "label": "0,1",
+ "x": 1.25,
+ "y": 0
+ },
+ {
+ "label": "0,2",
+ "x": 2.25,
+ "y": 0
+ },
+ {
+ "label": "0,3",
+ "x": 3.25,
+ "y": 0
+ },
+ {
+ "label": "0,4",
+ "x": 4.25,
+ "y": 0
+ },
+ {
+ "label": "0,5",
+ "x": 5.5,
+ "y": 0
+ },
+ {
+ "label": "0,6",
+ "x": 6.5,
+ "y": 0
+ },
+ {
+ "label": "0,7",
+ "x": 7.5,
+ "y": 0
+ },
+ {
+ "label": "0,8",
+ "x": 8.5,
+ "y": 0
+ },
+ {
+ "label": "0,9",
+ "x": 9.75,
+ "y": 0
+ },
+ {
+ "label": "0,10",
+ "x": 10.75,
+ "y": 0
+ },
+ {
+ "label": "0,11",
+ "x": 11.75,
+ "y": 0
+ },
+ {
+ "label": "0,12",
+ "x": 12.75,
+ "y": 0
+ },
+ {
+ "label": "1,0",
+ "x": 0,
+ "y": 1.5
+ },
+ {
+ "label": "1,1",
+ "x": 1,
+ "y": 1.5
+ },
+ {
+ "label": "1,2",
+ "x": 2,
+ "y": 1.5
+ },
+ {
+ "label": "1,3",
+ "x": 3,
+ "y": 1.5
+ },
+ {
+ "label": "1,4",
+ "x": 4,
+ "y": 1.5
+ },
+ {
+ "label": "1,5",
+ "x": 5,
+ "y": 1.5
+ },
+ {
+ "label": "1,6",
+ "x": 6,
+ "y": 1.5
+ },
+ {
+ "label": "1,7",
+ "x": 7,
+ "y": 1.5
+ },
+ {
+ "label": "1,8",
+ "x": 8,
+ "y": 1.5
+ },
+ {
+ "label": "1,9",
+ "x": 9,
+ "y": 1.5
+ },
+ {
+ "label": "1,10",
+ "x": 10,
+ "y": 1.5
+ },
+ {
+ "label": "1,11",
+ "x": 11,
+ "y": 1.5
+ },
+ {
+ "label": "1,12",
+ "x": 12,
+ "y": 1.5
+ },
+ {
+ "label": "1,13",
+ "x": 13,
+ "y": 1.5,
+ "w": 2
+ },
+ {
+ "label": "1,14",
+ "x": 15,
+ "y": 1.5
+ },
+ {
+ "label": "2,0",
+ "x": 0,
+ "y": 2.5,
+ "w": 1.5
+ },
+ {
+ "label": "2,1",
+ "x": 1.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,2",
+ "x": 2.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,3",
+ "x": 3.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,4",
+ "x": 4.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,5",
+ "x": 5.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,6",
+ "x": 6.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,7",
+ "x": 7.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,8",
+ "x": 8.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,9",
+ "x": 9.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,10",
+ "x": 10.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,11",
+ "x": 11.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,12",
+ "x": 12.5,
+ "y": 2.5
+ },
+ {
+ "label": "2,13",
+ "x": 13.5,
+ "y": 2.5,
+ "w": 1.5
+ },
+ {
+ "label": "2,14",
+ "x": 15,
+ "y": 2.5
+ },
+ {
+ "label": "3,0",
+ "x": 0,
+ "y": 3.5,
+ "w": 1.75
+ },
+ {
+ "label": "3,1",
+ "x": 1.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,2",
+ "x": 2.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,3",
+ "x": 3.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,4",
+ "x": 4.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,5",
+ "x": 5.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,6",
+ "x": 6.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,7",
+ "x": 7.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,8",
+ "x": 8.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,9",
+ "x": 9.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,10",
+ "x": 10.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,11",
+ "x": 11.75,
+ "y": 3.5
+ },
+ {
+ "label": "3,13",
+ "x": 12.75,
+ "y": 3.5,
+ "w": 2.25
+ },
+ {
+ "label": "3,14",
+ "x": 15,
+ "y": 3.5
+ },
+ {
+ "label": "4,0",
+ "x": 0,
+ "y": 4.5,
+ "w": 2.25
+ },
+ {
+ "label": "4,2",
+ "x": 2.25,
+ "y": 4.5
+ },
+ {
+ "label": "4,3",
+ "x": 3.25,
+ "y": 4.5
+ },
+ {
+ "label": "4,4",
+ "x": 4.25,
+ "y": 4.5
+ },
+ {
+ "label": "4,5",
+ "x": 5.25,
+ "y": 4.5
+ },
+ {
+ "label": "4,6",
+ "x": 6.25,
+ "y": 4.5
+ },
+ {
+ "label": "4,7",
+ "x": 7.25,
+ "y": 4.5
+ },
+ {
+ "label": "4,8",
+ "x": 8.25,
+ "y": 4.5
+ },
+ {
+ "label": "4,9",
+ "x": 9.25,
+ "y": 4.5
+ },
+ {
+ "label": "4,10",
+ "x": 10.25,
+ "y": 4.5
+ },
+ {
+ "label": "4,11",
+ "x": 11.25,
+ "y": 4.5
+ },
+ {
+ "label": "4,12",
+ "x": 12.25,
+ "y": 4.5,
+ "w": 1.75
+ },
+ {
+ "label": "4,13",
+ "x": 14,
+ "y": 4.5
+ },
+ {
+ "label": "5,0",
+ "x": 0,
+ "y": 5.5,
+ "w": 1.25
+ },
+ {
+ "label": "5,1",
+ "x": 1.25,
+ "y": 5.5,
+ "w": 1.25
+ },
+ {
+ "label": "5,3",
+ "x": 2.5,
+ "y": 5.5,
+ "w": 1.25
+ },
+ {
+ "label": "5,6",
+ "x": 3.75,
+ "y": 5.5,
+ "w": 6.25
+ },
+ {
+ "label": "5,10",
+ "x": 10,
+ "y": 5.5,
+ "w": 1.25
+ },
+ {
+ "label": "5,11",
+ "x": 11.25,
+ "y": 5.5,
+ "w": 1.25
+ },
+ {
+ "label": "5,12",
+ "x": 13,
+ "y": 5.5
+ },
+ {
+ "label": "5,13",
+ "x": 14,
+ "y": 5.5
+ },
+ {
+ "label": "5,14",
+ "x": 15,
+ "y": 5.5
+ }
+ ]
+ }
+ }
+}
diff --git a/keyboards/yandrstudio/nightstar75/keymaps/default/keymap.c b/keyboards/yandrstudio/nightstar75/keymaps/default/keymap.c
new file mode 100644
index 0000000000..54d6b298ae
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/keymaps/default/keymap.c
@@ -0,0 +1,36 @@
+/* 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 .
+ */
+
+#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_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_DEL,
+ 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_INS,
+ 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_HOME,
+ 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_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_RALT, MO(1), KC_LEFT, KC_DOWN, KC_RGHT),
+
+ [1] = LAYOUT(
+ 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, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, RGB_TOG, RGB_MOD, RGB_RMOD,RGB_VAI, RGB_VAD, 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/yandrstudio/nightstar75/keymaps/via/keymap.c b/keyboards/yandrstudio/nightstar75/keymaps/via/keymap.c
new file mode 100644
index 0000000000..a3bc2f6e2e
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/keymaps/via/keymap.c
@@ -0,0 +1,54 @@
+/* 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 .
+ */
+
+#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_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_DEL,
+ 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_INS,
+ 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_HOME,
+ 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_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_RALT, MO(1), KC_LEFT, KC_DOWN, KC_RGHT),
+
+ [1] = LAYOUT(
+ 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, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, RGB_TOG, RGB_MOD, RGB_RMOD,RGB_VAI, RGB_VAD, 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),
+
+ [2] = LAYOUT(
+ 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),
+
+ [3] = LAYOUT(
+ 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/yandrstudio/nightstar75/keymaps/via/rules.mk b/keyboards/yandrstudio/nightstar75/keymaps/via/rules.mk
new file mode 100644
index 0000000000..1e5b99807c
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
diff --git a/keyboards/yandrstudio/nightstar75/mcuconf.h b/keyboards/yandrstudio/nightstar75/mcuconf.h
new file mode 100644
index 0000000000..bb8892722e
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/mcuconf.h
@@ -0,0 +1,24 @@
+/* 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_PWM_USE_TIM3
+#define STM32_PWM_USE_TIM3 TRUE
+
+#undef STM32_PLLXTPRE
+#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV2
diff --git a/keyboards/yandrstudio/nightstar75/nightstar75.c b/keyboards/yandrstudio/nightstar75/nightstar75.c
new file mode 100644
index 0000000000..55fc6b9bcd
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/nightstar75.c
@@ -0,0 +1,39 @@
+/* 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 .
+ */
+#include "nightstar75.h"
+
+#ifdef RGBLIGHT_ENABLE
+const rgblight_segment_t PROGMEM my_capslock_layer[] = RGBLIGHT_LAYER_SEGMENTS(
+ {0, 4, HSV_RED}
+);
+
+const rgblight_segment_t* const PROGMEM my_rgb_layers[] = RGBLIGHT_LAYERS_LIST(
+ my_capslock_layer
+);
+
+void keyboard_post_init_kb(void) {
+ rgblight_layers = my_rgb_layers;
+ rgblight_reload_from_eeprom();
+ keyboard_post_init_user();
+}
+
+bool led_update_kb(led_t led_state) {
+ if (led_update_user(led_state)) {
+ rgblight_set_layer_state(0, led_state.caps_lock);
+ }
+ return true;
+}
+#endif
diff --git a/keyboards/yandrstudio/nightstar75/nightstar75.h b/keyboards/yandrstudio/nightstar75/nightstar75.h
new file mode 100644
index 0000000000..8b91460297
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/nightstar75.h
@@ -0,0 +1,33 @@
+/* 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 "quantum.h"
+
+#define LAYOUT( \
+ K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, \
+ K200, K201, K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213, K214, \
+ K300, K301, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311, K312, K313, K314, \
+ K400, K401, K402, K403, K404, K405, K406, K407, K408, K409, K410, K411, K413, K414, \
+ K500, K502, K503, K504, K505, K506, K507, K508, K509, K510, K511, K512, K513, \
+ K600, K601, K603, K606, K610, K611, K612, K613, K614 \
+) { \
+ { K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, KC_NO, KC_NO }, \
+ { K200, K201, K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213, K214 }, \
+ { K300, K301, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311, K312, K313, K314 }, \
+ { K400, K401, K402, K403, K404, K405, K406, K407, K408, K409, K410, K411, KC_NO, K413, K414 }, \
+ { K500, KC_NO, K502, K503, K504, K505, K506, K507, K508, K509, K510, K511, K512, K513, KC_NO }, \
+ { K600, K601, KC_NO, K603, KC_NO, KC_NO, K606, KC_NO, KC_NO, KC_NO, K610, K611, K612, K613, K614 } \
+}
diff --git a/keyboards/yandrstudio/nightstar75/readme.md b/keyboards/yandrstudio/nightstar75/readme.md
new file mode 100644
index 0000000000..cfa49ff9e4
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/readme.md
@@ -0,0 +1,22 @@
+# nightstar75
+
+
+A 75% keyboard with RGBs.
+This keyboard use 16mhz HSE and APM32F103 as MCU.
+
+- Keyboard Maintainer: https://github.com/jiaxin96
+- Hardware Supported: nightstar75
+- Hardware Availability: [ZFrontier](https://www.zfrontier.com/app/flow/D6pZpAylmoqm)
+
+Make example for this keyboard (after setting up your build environment):
+
+ make yandrstudio/nightstar75:default
+
+See [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) then the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information.
+
+## Bootloader
+
+Enter the bootloader in 2 ways:
+
+- **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key which is Escape in this keyboard) and plug in the keyboard
+- **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available.
diff --git a/keyboards/yandrstudio/nightstar75/rules.mk b/keyboards/yandrstudio/nightstar75/rules.mk
new file mode 100644
index 0000000000..54e3f61af5
--- /dev/null
+++ b/keyboards/yandrstudio/nightstar75/rules.mk
@@ -0,0 +1,16 @@
+# Wildcard to allow APM32 MCU
+DFU_SUFFIX_ARGS = -p FFFF -v FFFF
+
+# Build Options
+# change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = yes # Mouse keys
+EXTRAKEY_ENABLE = yes # Audio control and System control
+CONSOLE_ENABLE = no # Console for debug
+COMMAND_ENABLE = no # Commands for debug and configuration
+NKRO_ENABLE = yes # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes # Enable keyboard RGB underglow
+WS2812_DRIVER = pwm # WS2812 RGB Driver
+AUDIO_ENABLE = no # Audio output