diff --git a/keyboards/lazydesigners/the40/config.h b/keyboards/lazydesigners/the40/config.h
new file mode 100644
index 0000000000..b199f23a09
--- /dev/null
+++ b/keyboards/lazydesigners/the40/config.h
@@ -0,0 +1,50 @@
+/*
+ Copyright 2020 LAZYDESIGNERS
+
+ 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 0x4C44 // "LD"
+#define PRODUCT_ID 0x0042
+#define DEVICE_VER 0x0001
+#define MANUFACTURER LAZYDESIGNERS
+#define PRODUCT THE40
+
+/* key matrix size */
+#define MATRIX_ROWS 4
+#define MATRIX_COLS 12
+
+#define MATRIX_ROW_PINS { D0, D1, B6, F5 }
+#define MATRIX_COL_PINS { F4, F6, F7, B5, B4, D7, D6, D4, D5, D3, D2, B0 }
+
+#define DIODE_DIRECTION COL2ROW
+
+#define BACKLIGHT_PIN B7
+#define BACKLIGHT_BREATHING
+#define BACKLIGHT_LEVELS 3
+
+#define RGB_DI_PIN C7
+#ifdef RGB_DI_PIN
+ #define RGBLED_NUM 8
+ #define RGBLIGHT_HUE_STEP 8
+ #define RGBLIGHT_SAT_STEP 8
+ #define RGBLIGHT_VAL_STEP 8
+ #define RGBLIGHT_SLEEP
+ #define RGBLIGHT_ANIMATIONS
+#endif
diff --git a/keyboards/lazydesigners/the40/info.json b/keyboards/lazydesigners/the40/info.json
new file mode 100644
index 0000000000..a02a88a049
--- /dev/null
+++ b/keyboards/lazydesigners/the40/info.json
@@ -0,0 +1,143 @@
+{
+ "keyboard_name": "THE40",
+ "url": "http://lazydesigners.cn",
+ "maintainer": "LAZYDESIGNERS",
+ "width": 12,
+ "height": 4,
+ "layouts": {
+ "LAYOUT_all": {
+ "layout": [
+ {"label":"K000 (D0,F4)", "x":0, "y":0},
+ {"label":"K001 (D0,F6)", "x":1, "y":0},
+ {"label":"K002 (D0,F7)", "x":2, "y":0},
+ {"label":"K003 (D0,B5)", "x":3, "y":0},
+ {"label":"K004 (D0,B4)", "x":4, "y":0},
+ {"label":"K005 (D0,D7)", "x":5, "y":0},
+ {"label":"K006 (D0,D6)", "x":6, "y":0},
+ {"label":"K007 (D0,D4)", "x":7, "y":0},
+ {"label":"K008 (D0,D5)", "x":8, "y":0},
+ {"label":"K009 (D0,D3)", "x":9, "y":0},
+ {"label":"K010 (D0,D2)", "x":10, "y":0},
+ {"label":"K011 (D0,B0)", "x":11, "y":0},
+ {"label":"K100 (D1,F4)", "x":0, "y":1, "w":1.25},
+ {"label":"K101 (D1,F6)", "x":1.25, "y":1},
+ {"label":"K102 (D1,F7)", "x":2.25, "y":1},
+ {"label":"K103 (D1,B5)", "x":3.25, "y":1},
+ {"label":"K104 (D1,B4)", "x":4.25, "y":1},
+ {"label":"K105 (D1,D7)", "x":5.25, "y":1},
+ {"label":"K106 (D1,D6)", "x":6.25, "y":1},
+ {"label":"K107 (D1,D4)", "x":7.25, "y":1},
+ {"label":"K108 (D1,D5)", "x":8.25, "y":1},
+ {"label":"K109 (D1,D3)", "x":9.25, "y":1},
+ {"label":"K110 (D1,D2)", "x":10.25, "y":1, "w":1.75},
+ {"label":"K200 (B6,F4)", "x":0, "y":2, "w":1.75},
+ {"label":"K201 (B6,F6)", "x":1.75, "y":2},
+ {"label":"K202 (B6,F7)", "x":2.75, "y":2},
+ {"label":"K203 (B6,B5)", "x":3.75, "y":2},
+ {"label":"K204 (B6,B4)", "x":4.75, "y":2},
+ {"label":"K205 (B6,D7)", "x":5.75, "y":2},
+ {"label":"K206 (B6,D6)", "x":6.75, "y":2},
+ {"label":"K207 (B6,D4)", "x":7.75, "y":2},
+ {"label":"K208 (B6,D5)", "x":8.75, "y":2},
+ {"label":"K209 (B6,D3)", "x":9.75, "y":2},
+ {"label":"K210 (B6,D2)", "x":10.75, "y":2, "w":1.25},
+ {"label":"K300 (F5,F4)", "x":0, "y":3, "w":1.25},
+ {"label":"K301 (F5,F6)", "x":1.25, "y":3},
+ {"label":"K302 (F5,F7)", "x":2.25, "y":3, "w":1.25},
+ {"label":"K304 (F5,B4)", "x":3.5, "y":3, "w":2.25},
+ {"label":"K306 (F5,D6)", "x":5.75, "y":3, "w":2.75},
+ {"label":"K308 (F5,D5)", "x":8.5, "y":3, "w":1.25},
+ {"label":"K309 (F5,D3)", "x":9.75, "y":3},
+ {"label":"K310 (F5,D2)", "x":10.75, "y":3, "w":1.25}
+ ]
+ },
+ "LAYOUT_hhkb": {
+ "layout": [
+ {"label":"K000 (D0,F4)", "x":0, "y":0},
+ {"label":"K001 (D0,F6)", "x":1, "y":0},
+ {"label":"K002 (D0,F7)", "x":2, "y":0},
+ {"label":"K003 (D0,B5)", "x":3, "y":0},
+ {"label":"K004 (D0,B4)", "x":4, "y":0},
+ {"label":"K005 (D0,D7)", "x":5, "y":0},
+ {"label":"K006 (D0,D6)", "x":6, "y":0},
+ {"label":"K007 (D0,D4)", "x":7, "y":0},
+ {"label":"K008 (D0,D5)", "x":8, "y":0},
+ {"label":"K009 (D0,D3)", "x":9, "y":0},
+ {"label":"K010 (D0,D2)", "x":10, "y":0},
+ {"label":"K011 (D0,B0)", "x":11, "y":0},
+ {"label":"K100 (D1,F4)", "x":0, "y":1, "w":1.25},
+ {"label":"K101 (D1,F6)", "x":1.25, "y":1},
+ {"label":"K102 (D1,F7)", "x":2.25, "y":1},
+ {"label":"K103 (D1,B5)", "x":3.25, "y":1},
+ {"label":"K104 (D1,B4)", "x":4.25, "y":1},
+ {"label":"K105 (D1,D7)", "x":5.25, "y":1},
+ {"label":"K106 (D1,D6)", "x":6.25, "y":1},
+ {"label":"K107 (D1,D4)", "x":7.25, "y":1},
+ {"label":"K108 (D1,D5)", "x":8.25, "y":1},
+ {"label":"K109 (D1,D3)", "x":9.25, "y":1},
+ {"label":"K110 (D1,D2)", "x":10.25, "y":1, "w":1.75},
+ {"label":"K200 (B6,F4)", "x":0, "y":2, "w":1.75},
+ {"label":"K201 (B6,F6)", "x":1.75, "y":2},
+ {"label":"K202 (B6,F7)", "x":2.75, "y":2},
+ {"label":"K203 (B6,B5)", "x":3.75, "y":2},
+ {"label":"K204 (B6,B4)", "x":4.75, "y":2},
+ {"label":"K205 (B6,D7)", "x":5.75, "y":2},
+ {"label":"K206 (B6,D6)", "x":6.75, "y":2},
+ {"label":"K207 (B6,D4)", "x":7.75, "y":2},
+ {"label":"K208 (B6,D5)", "x":8.75, "y":2},
+ {"label":"K209 (B6,D3)", "x":9.75, "y":2},
+ {"label":"K210 (B6,D2)", "x":10.75, "y":2, "w":1.25},
+ {"label":"K301 (F5,F6)", "x":1.25, "y":3},
+ {"label":"K302 (F5,F7)", "x":2.25, "y":3, "w":1.25},
+ {"label":"K304 (F5,B4)", "x":3.5, "y":3, "w":2.25},
+ {"label":"K306 (F5,D6)", "x":5.75, "y":3, "w":2.75},
+ {"label":"K308 (F5,D5)", "x":8.5, "y":3, "w":1.25},
+ {"label":"K309 (F5,D3)", "x":9.75, "y":3}
+ ]
+ },
+ "LAYOUT_wkl": {
+ "layout": [
+ {"label":"K000 (D0,F4)", "x":0, "y":0},
+ {"label":"K001 (D0,F6)", "x":1, "y":0},
+ {"label":"K002 (D0,F7)", "x":2, "y":0},
+ {"label":"K003 (D0,B5)", "x":3, "y":0},
+ {"label":"K004 (D0,B4)", "x":4, "y":0},
+ {"label":"K005 (D0,D7)", "x":5, "y":0},
+ {"label":"K006 (D0,D6)", "x":6, "y":0},
+ {"label":"K007 (D0,D4)", "x":7, "y":0},
+ {"label":"K008 (D0,D5)", "x":8, "y":0},
+ {"label":"K009 (D0,D3)", "x":9, "y":0},
+ {"label":"K010 (D0,D2)", "x":10, "y":0},
+ {"label":"K011 (D0,B0)", "x":11, "y":0},
+ {"label":"K100 (D1,F4)", "x":0, "y":1, "w":1.25},
+ {"label":"K101 (D1,F6)", "x":1.25, "y":1},
+ {"label":"K102 (D1,F7)", "x":2.25, "y":1},
+ {"label":"K103 (D1,B5)", "x":3.25, "y":1},
+ {"label":"K104 (D1,B4)", "x":4.25, "y":1},
+ {"label":"K105 (D1,D7)", "x":5.25, "y":1},
+ {"label":"K106 (D1,D6)", "x":6.25, "y":1},
+ {"label":"K107 (D1,D4)", "x":7.25, "y":1},
+ {"label":"K108 (D1,D5)", "x":8.25, "y":1},
+ {"label":"K109 (D1,D3)", "x":9.25, "y":1},
+ {"label":"K110 (D1,D2)", "x":10.25, "y":1, "w":1.75},
+ {"label":"K200 (B6,F4)", "x":0, "y":2, "w":1.75},
+ {"label":"K201 (B6,F6)", "x":1.75, "y":2},
+ {"label":"K202 (B6,F7)", "x":2.75, "y":2},
+ {"label":"K203 (B6,B5)", "x":3.75, "y":2},
+ {"label":"K204 (B6,B4)", "x":4.75, "y":2},
+ {"label":"K205 (B6,D7)", "x":5.75, "y":2},
+ {"label":"K206 (B6,D6)", "x":6.75, "y":2},
+ {"label":"K207 (B6,D4)", "x":7.75, "y":2},
+ {"label":"K208 (B6,D5)", "x":8.75, "y":2},
+ {"label":"K209 (B6,D3)", "x":9.75, "y":2},
+ {"label":"K210 (B6,D2)", "x":10.75, "y":2, "w":1.25},
+ {"label":"K300 (F5,F4)", "x":0, "y":3, "w":1.25},
+ {"label":"K302 (F5,F7)", "x":2.25, "y":3, "w":1.25},
+ {"label":"K304 (F5,B4)", "x":3.5, "y":3, "w":2.25},
+ {"label":"K306 (F5,D6)", "x":5.75, "y":3, "w":2.75},
+ {"label":"K308 (F5,D5)", "x":8.5, "y":3, "w":1.25},
+ {"label":"K310 (F5,D2)", "x":10.75, "y":3, "w":1.25}
+ ]
+ }
+ }
+}
diff --git a/keyboards/lazydesigners/the40/keymaps/default/keymap.c b/keyboards/lazydesigners/the40/keymaps/default/keymap.c
new file mode 100644
index 0000000000..81e1e72975
--- /dev/null
+++ b/keyboards/lazydesigners/the40/keymaps/default/keymap.c
@@ -0,0 +1,41 @@
+/* Copyright 2020 LAZYDESIGNERS
+ *
+ * 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
+
+#define LT2_TAB LT(2, KC_TAB)
+#define LT1_SPC LT(1, KC_SPC)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [0] = LAYOUT_all(
+ KC_ESC, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSPC,
+ LT2_TAB, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_ENT,
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_DOT, KC_UP, MO(2),
+ KC_LCTL, KC_LGUI, KC_RALT, LT1_SPC, KC_SPC, KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+ [1] = LAYOUT_all(
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_NO,
+ RESET, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_MINS, KC_EQL, KC_LBRC, KC_RBRC,
+ KC_NO, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_NO, KC_NO, KC_NO, KC_NO,
+ KC_VOLD, KC_MUTE, KC_VOLU, KC_TRNS, KC_TRNS, KC_NO, KC_NO, KC_NO
+ ),
+ [2] = LAYOUT_all(
+ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,
+ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,
+ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO,
+ KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO
+ ),
+};
diff --git a/keyboards/lazydesigners/the40/readme.md b/keyboards/lazydesigners/the40/readme.md
new file mode 100644
index 0000000000..db31c288ab
--- /dev/null
+++ b/keyboards/lazydesigners/the40/readme.md
@@ -0,0 +1,21 @@
+# THE40
+
+![the40](https://i.loli.net/2020/12/27/6u9UpyPJCWVEgwM.jpg)
+
+A 40% keyboard designed and produced by [LAZYDESIGNERS](http://lazydesigners.cn).
+
+* Keyboard Maintainer: [LAZYDESIGNERS](https://github.com/jackytrabbit)
+* Hardware Supported: THE40
+* Hardware Availability: Check [LAZYDESIGNERS's homepage.](http://lazydesigners.cn)
+
+Make example for this keyboard (after setting up your build environment):
+
+ make lazydesigners/the40:default
+
+Flashing example for this keyboard:
+
+ make lazydesigners/the40:default:flash
+
+**Reset Key:** To enter the bootloader, either push the RESET button on the PCB or the RESET button on the FN layer.
+
+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/lazydesigners/the40/rules.mk b/keyboards/lazydesigners/the40/rules.mk
new file mode 100644
index 0000000000..27e32f935b
--- /dev/null
+++ b/keyboards/lazydesigners/the40/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 = no # USB Nkey Rollover
+BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no # Enable Bluetooth
+AUDIO_ENABLE = no # Audio output
diff --git a/keyboards/lazydesigners/the40/the40.c b/keyboards/lazydesigners/the40/the40.c
new file mode 100644
index 0000000000..cd1a22a9c3
--- /dev/null
+++ b/keyboards/lazydesigners/the40/the40.c
@@ -0,0 +1,14 @@
+/*
+ Copyright 2020 LAZYDESIGNERS
+ 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 "the40.h"
diff --git a/keyboards/lazydesigners/the40/the40.h b/keyboards/lazydesigners/the40/the40.h
new file mode 100644
index 0000000000..c41166f2e2
--- /dev/null
+++ b/keyboards/lazydesigners/the40/the40.h
@@ -0,0 +1,59 @@
+/*
+ Copyright 2020 LAZYDESIGNERS
+
+ 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, K005, K006, K007, K008, K009, K010, K011, \
+ K100, K101, K102, K103, K104, K105, K106, K107, K108, K109, K110, \
+ K200, K201, K202, K203, K204, K205, K206, K207, K208, K209, K210, \
+ K300, K301, K302, K304, K306, K308, K309, K310 \
+) \
+{ \
+ { K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011 }, \
+ { K100, K101, K102, K103, K104, K105, K106, K107, K108, K109, K110, KC_NO }, \
+ { K200, K201, K202, K203, K204, K205, K206, K207, K208, K209, K210, KC_NO }, \
+ { K300, K301, K302, KC_NO, K304, KC_NO, K306, KC_NO, K308, K309, K310, KC_NO }, \
+}
+
+#define LAYOUT_hhkb( \
+ K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, \
+ K100, K101, K102, K103, K104, K105, K106, K107, K108, K109, K110, \
+ K200, K201, K202, K203, K204, K205, K206, K207, K208, K209, K210, \
+ K301, K302, K304, K306, K308, K309 \
+) \
+{ \
+ { K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011 }, \
+ { K100, K101, K102, K103, K104, K105, K106, K107, K108, K109, K110, KC_NO }, \
+ { K200, K201, K202, K203, K204, K205, K206, K207, K208, K209, K210, KC_NO }, \
+ { K300, K301, K302, KC_NO, K304, KC_NO, K306, KC_NO, K308, K309, K310, KC_NO }, \
+}
+
+#define LAYOUT_wkl( \
+ K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, \
+ K100, K101, K102, K103, K104, K105, K106, K107, K108, K109, K110, \
+ K200, K201, K202, K203, K204, K205, K206, K207, K208, K209, K210, \
+ K300, K302, K304, K306, K308, K310 \
+) \
+{ \
+ { K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011 }, \
+ { K100, K101, K102, K103, K104, K105, K106, K107, K108, K109, K110, KC_NO }, \
+ { K200, K201, K202, K203, K204, K205, K206, K207, K208, K209, K210, KC_NO }, \
+ { K300, K301, K302, KC_NO, K304, KC_NO, K306, KC_NO, K308, K309, K310, KC_NO }, \
+}