diff --git a/keyboards/ilumkb/primus75/config.h b/keyboards/ilumkb/primus75/config.h
new file mode 100644
index 00000000000..fc5dd87f090
--- /dev/null
+++ b/keyboards/ilumkb/primus75/config.h
@@ -0,0 +1,62 @@
+/* Copyright 2021 dztech
+ *
+ * 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"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0x445A
+#define PRODUCT_ID 0x1014
+#define DEVICE_VER 0x0001
+#define MANUFACTURER moyi4681
+#define PRODUCT Primus75
+
+/* key matrix size */
+#define MATRIX_ROWS 6
+#define MATRIX_COLS 16
+
+/* key matrix pins */
+#define MATRIX_ROW_PINS { D0, D1, D2, D3, D5, B7 }
+#define MATRIX_COL_PINS { F0, F1, E6, C7, C6, F5, D4, B1, B0, B5, B4, D7, D6, B3, F4, F6 }
+#define UNUSED_PINS
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+#define LED_CAPS_LOCK_PIN B2
+#define LED_NUM_LOCK_PIN E2
+#define LED_SCROLL_LOCK_PIN F7
+#define LED_PIN_ON_STATE 0
+
+/* number of backlight levels */
+#define BACKLIGHT_PIN B6
+#ifdef BACKLIGHT_PIN
+#define BACKLIGHT_LEVELS 5
+#endif
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCE 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
+
+#define VIA_EEPROM_LAYOUT_OPTIONS_SIZE 2
diff --git a/keyboards/ilumkb/primus75/info.json b/keyboards/ilumkb/primus75/info.json
new file mode 100644
index 00000000000..d8502d80cef
--- /dev/null
+++ b/keyboards/ilumkb/primus75/info.json
@@ -0,0 +1,12 @@
+{
+ "keyboard_name": "Primus75",
+ "url": "",
+ "maintainer": "moyi4681",
+ "width": 16,
+ "height": 6.25,
+ "layouts": {
+ "LAYOUT_all": {
+ "layout": [{"label":"Esc", "x":0, "y":0}, {"label":"F1", "x":1.5, "y":0}, {"label":"F2", "x":2.5, "y":0}, {"label":"F3", "x":3.5, "y":0}, {"label":"F4", "x":4.5, "y":0}, {"label":"F5", "x":6, "y":0}, {"label":"F6", "x":7, "y":0}, {"label":"F7", "x":8, "y":0}, {"label":"F8", "x":9, "y":0}, {"label":"F9", "x":10.5, "y":0}, {"label":"F10", "x":11.5, "y":0}, {"label":"F11", "x":12.5, "y":0}, {"label":"F12", "x":13.5, "y":0}, {"label":"PrtSc", "x":15, "y":0}, {"label":"~", "x":0, "y":1.25}, {"label":"!", "x":1, "y":1.25}, {"label":"@", "x":2, "y":1.25}, {"label":"#", "x":3, "y":1.25}, {"label":"$", "x":4, "y":1.25}, {"label":"%", "x":5, "y":1.25}, {"label":"^", "x":6, "y":1.25}, {"label":"&", "x":7, "y":1.25}, {"label":"*", "x":8, "y":1.25}, {"label":"(", "x":9, "y":1.25}, {"label":")", "x":10, "y":1.25}, {"label":"_", "x":11, "y":1.25}, {"label":"+", "x":12, "y":1.25}, {"x":13, "y":1.25}, {"label":"Backspace", "x":14, "y":1.25}, {"label":"Home", "x":15, "y":1.25}, {"label":"Tab", "x":0, "y":2.25, "w":1.5}, {"label":"Q", "x":1.5, "y":2.25}, {"label":"W", "x":2.5, "y":2.25}, {"label":"E", "x":3.5, "y":2.25}, {"label":"R", "x":4.5, "y":2.25}, {"label":"T", "x":5.5, "y":2.25}, {"label":"Y", "x":6.5, "y":2.25}, {"label":"U", "x":7.5, "y":2.25}, {"label":"I", "x":8.5, "y":2.25}, {"label":"O", "x":9.5, "y":2.25}, {"label":"P", "x":10.5, "y":2.25}, {"label":"{", "x":11.5, "y":2.25}, {"label":"}", "x":12.5, "y":2.25}, {"label":"|", "x":13.5, "y":2.25, "w":1.5}, {"label":"Page Up", "x":15, "y":2.25}, {"label":"Caps Lock", "x":0, "y":3.25, "w":1.75}, {"label":"A", "x":1.75, "y":3.25}, {"label":"S", "x":2.75, "y":3.25}, {"label":"D", "x":3.75, "y":3.25}, {"label":"F", "x":4.75, "y":3.25}, {"label":"G", "x":5.75, "y":3.25}, {"label":"H", "x":6.75, "y":3.25}, {"label":"J", "x":7.75, "y":3.25}, {"label":"K", "x":8.75, "y":3.25}, {"label":"L", "x":9.75, "y":3.25}, {"label":":", "x":10.75, "y":3.25}, {"label":"\"", "x":11.75, "y":3.25}, {"label":"Enter", "x":12.75, "y":3.25, "w":2.25}, {"label":"Page Down", "x":15, "y":3.25}, {"label":"Shift", "x":0, "y":4.25, "w":1.25}, {"x":1.25, "y":4.25}, {"label":"Z", "x":2.25, "y":4.25}, {"label":"X", "x":3.25, "y":4.25}, {"label":"C", "x":4.25, "y":4.25}, {"label":"V", "x":5.25, "y":4.25}, {"label":"B", "x":6.25, "y":4.25}, {"label":"N", "x":7.25, "y":4.25}, {"label":"M", "x":8.25, "y":4.25}, {"label":"<", "x":9.25, "y":4.25}, {"label":">", "x":10.25, "y":4.25}, {"label":"?", "x":11.25, "y":4.25}, {"label":"Shift", "x":12.25, "y":4.25, "w":1.75}, {"label":"Up", "x":14, "y":4.25}, {"label":"End", "x":15, "y":4.25}, {"label":"Ctrl", "x":0, "y":5.25, "w":1.25}, {"label":"Win", "x":1.25, "y":5.25, "w":1.25}, {"label":"Alt", "x":2.5, "y":5.25, "w":1.25}, {"x":3.75, "y":5.25, "w":6.25}, {"label":"Alt", "x":10, "y":5.25}, {"label":"Fn", "x":11, "y":5.25}, {"label":"Ctrl", "x":12, "y":5.25}, {"label":"Left", "x":13, "y":5.25}, {"label":"Down", "x":14, "y":5.25}, {"label":"Right", "x":15, "y":5.25}]
+ }
+ }
+}
diff --git a/keyboards/ilumkb/primus75/keymaps/default/keymap.c b/keyboards/ilumkb/primus75/keymaps/default/keymap.c
new file mode 100644
index 00000000000..c56a2863aec
--- /dev/null
+++ b/keyboards/ilumkb/primus75/keymaps/default/keymap.c
@@ -0,0 +1,37 @@
+/* Copyright 2021 dztech
+ *
+ * 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_all(
+ 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_DEL, 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_NUBS, 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, KC_RALT, MO(1), KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+
+ [1] = LAYOUT_all(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, RESET, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, BL_DEC, BL_TOGG, BL_INC, BL_STEP, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+};
diff --git a/keyboards/ilumkb/primus75/keymaps/via/keymap.c b/keyboards/ilumkb/primus75/keymaps/via/keymap.c
new file mode 100644
index 00000000000..3ef86e5d753
--- /dev/null
+++ b/keyboards/ilumkb/primus75/keymaps/via/keymap.c
@@ -0,0 +1,55 @@
+/* Copyright 2021 dztech
+ *
+ * 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_all(
+ 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_DEL, 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_NUBS, 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, KC_RALT, MO(1), KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+
+ [1] = LAYOUT_all(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, RESET, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, BL_DEC, BL_TOGG, BL_INC, BL_STEP, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+
+ [2] = LAYOUT_all(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+
+ [3] = LAYOUT_all(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+};
diff --git a/keyboards/ilumkb/primus75/keymaps/via/rules.mk b/keyboards/ilumkb/primus75/keymaps/via/rules.mk
new file mode 100644
index 00000000000..36b7ba9cbc9
--- /dev/null
+++ b/keyboards/ilumkb/primus75/keymaps/via/rules.mk
@@ -0,0 +1,2 @@
+VIA_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/ilumkb/primus75/primus75.c b/keyboards/ilumkb/primus75/primus75.c
new file mode 100644
index 00000000000..49d76a0a884
--- /dev/null
+++ b/keyboards/ilumkb/primus75/primus75.c
@@ -0,0 +1,16 @@
+/* Copyright 2021 dztech
+ *
+ * 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 "primus75.h"
diff --git a/keyboards/ilumkb/primus75/primus75.h b/keyboards/ilumkb/primus75/primus75.h
new file mode 100644
index 00000000000..14794d766a1
--- /dev/null
+++ b/keyboards/ilumkb/primus75/primus75.h
@@ -0,0 +1,32 @@
+/* Copyright 2021 dztech
+ *
+ * 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_all( \
+ K000, K001, K002, K003, K004, K006, K007, K008, K009, K010, K011, K012, K013, K015, \
+ K100, K101, K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, K115, \
+ K200, K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213, K214, K215, \
+ K300, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311, K312, K313, K315, \
+ K400, K401, K402, K403, K404, K405, K406, K407, K408, K409, K410, K411, K413, K414, K415, \
+ K500, K501, K503, K506, K510, K511, K512, K513, K514, K515 \
+) { \
+ { K000, K001, K002, K003, K004, KC_NO, K006, K007, K008, K009, K010, K011, K012, K013, KC_NO, K015 }, \
+ { K100, K101, K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, K115 }, \
+ { K200, KC_NO, K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213, K214, K215 }, \
+ { K300, KC_NO, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311, K312, K313, KC_NO, K315 }, \
+ { K400, K401, K402, K403, K404, K405, K406, K407, K408, K409, K410, K411, KC_NO, K413, K414, K415 }, \
+ { K500, K501, KC_NO, K503, KC_NO, KC_NO, K506, KC_NO, KC_NO, KC_NO, K510, K511, K512, K513, K514, K515 } \
+}
diff --git a/keyboards/ilumkb/primus75/readme.md b/keyboards/ilumkb/primus75/readme.md
new file mode 100644
index 00000000000..9528c864c2b
--- /dev/null
+++ b/keyboards/ilumkb/primus75/readme.md
@@ -0,0 +1,19 @@
+# Primus75
+
+* Keyboard Maintainer: [moyi4681](https://github.com/moyi4681), [The QMK Community](https://github.com/qmk)
+* Hardware Supported: Primus75 PCB
+* Hardware Availability: iLumkb
+
+Make example for this keyboard (after setting up your build environment):
+
+ make ilumkb/primus75:default
+
+Flashing example for this keyboard:
+
+ make ilumkb/primus75:default:flash
+
+## Accessing Bootloader Mode
+
+To access Bootloader Mode, hold the key at the top left of the keyboard while connecting the USB cable (also erases persistent settings).
+
+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).
diff --git a/keyboards/ilumkb/primus75/rules.mk b/keyboards/ilumkb/primus75/rules.mk
new file mode 100644
index 00000000000..b0ed9e41e57
--- /dev/null
+++ b/keyboards/ilumkb/primus75/rules.mk
@@ -0,0 +1,22 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+# change yes to no to disable
+#
+BOOTMAGIC_ENABLE = lite # Virtual DIP switch configuration
+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
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = yes # USB Nkey Rollover
+BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no # Enable Bluetooth
+AUDIO_ENABLE = no # Audio output