diff --git a/keyboards/slz40/config.h b/keyboards/slz40/config.h
new file mode 100644
index 000000000000..cc868e4c0c45
--- /dev/null
+++ b/keyboards/slz40/config.h
@@ -0,0 +1,146 @@
+/*
+Copyright 2020 SithLord
+
+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 0xFEED
+#define PRODUCT_ID 0x0000
+#define DEVICE_VER 0x0001
+#define MANUFACTURER SithLord
+#define PRODUCT slz40
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 12
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ * ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+ */
+#define MATRIX_ROW_PINS { B4, B5, B3, B2, B6 }
+#define MATRIX_COL_PINS { F4, D2, F5, D1, F6, D0, F7, D4, B1, C6, E6, D7 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/*
+ * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
+ */
+#define SOFT_SERIAL_PIN D0 // or D1, D2, D3, E6
+
+//#define BACKLIGHT_PIN B7
+//#define BACKLIGHT_LEVELS 3
+//#define BACKLIGHT_BREATHING
+
+//#define RGB_DI_PIN E2
+//#ifdef RGB_DI_PIN
+//# define RGBLED_NUM 16
+//# define RGBLIGHT_HUE_STEP 8
+//# define RGBLIGHT_SAT_STEP 8
+//# define RGBLIGHT_VAL_STEP 8
+//# define RGBLIGHT_LIMIT_VAL 255 /* The maximum brightness level */
+//# define RGBLIGHT_SLEEP /* If defined, the RGB lighting will be switched off when the host goes to sleep */
+/*== all animations enable ==*/
+//# define RGBLIGHT_ANIMATIONS
+/*== or choose animations ==*/
+//# 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
+/*== customize breathing effect ==*/
+/*==== (DEFAULT) use fixed table instead of exp() and sin() ====*/
+//# define RGBLIGHT_BREATHE_TABLE_SIZE 256 // 256(default) or 128 or 64
+/*==== use exp() and sin() ====*/
+//# define RGBLIGHT_EFFECT_BREATHE_CENTER 1.85 // 1 to 2.7
+//# define RGBLIGHT_EFFECT_BREATHE_MAX 255 // 0 to 255
+//#endif
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* define if matrix has ghost (lacks anti-ghosting diodes) */
+//#define MATRIX_HAS_GHOST
+
+/* 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
+
+/* If defined, GRAVE_ESC will always act as ESC when CTRL is held.
+ * This is useful for the Windows task manager shortcut (ctrl+shift+esc).
+ */
+//#define GRAVE_ESC_CTRL_OVERRIDE
+
+/*
+ * Force NKRO
+ *
+ * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
+ * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
+ * makefile for this to work.)
+ *
+ * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
+ * until the next keyboard reset.
+ *
+ * NKRO may prevent your keystrokes from being detected in the BIOS, but it is
+ * fully operational during normal computer usage.
+ *
+ * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
+ * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
+ * bootmagic, NKRO mode will always be enabled until it is toggled again during a
+ * power-up.
+ *
+ */
+//#define FORCE_NKRO
+
+/*
+ * Feature disable options
+ * These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+//#define NO_DEBUG
+
+/* disable print */
+//#define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+
+/* disable these deprecated features by default */
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
+
+/* Bootmagic Lite key configuration */
+//#define BOOTMAGIC_LITE_ROW 0
+//#define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/slz40/info.json b/keyboards/slz40/info.json
new file mode 100644
index 000000000000..2723453c4ef4
--- /dev/null
+++ b/keyboards/slz40/info.json
@@ -0,0 +1,76 @@
+{
+ "keyboard_name": "slz40",
+ "url": "https://github.com/sithlord121/slz40",
+ "maintainer": "SithLord",
+ "width": 13,
+ "height": 5,
+ "layouts": {
+ "LAYOUT": {
+ "layout": [
+ {"label": "1", "x": 0.5, "y": 0},
+ {"label": "2", "x": 1.5, "y": 0},
+ {"label": "3", "x": 2.5, "y": 0},
+ {"label": "4", "x": 3.5, "y": 0},
+ {"label": "5", "x": 4.5, "y": 0},
+ {"label": "6", "x": 5.5, "y": 0},
+ {"label": "7", "x": 6.5, "y": 0},
+ {"label": "8", "x": 7.5, "y": 0},
+ {"label": "9", "x": 8.5, "y": 0},
+ {"label": "0", "x": 9.5, "y": 0},
+ {"label": "-", "x": 10.5, "y": 0},
+
+ {"label": "esc", "x": 0, "y": 1},
+ {"label": "q", "x": 1, "y": 1},
+ {"label": "w", "x": 2, "y": 1},
+ {"label": "e", "x": 3, "y": 1},
+ {"label": "r", "x": 4, "y": 1},
+ {"label": "t", "x": 5, "y": 1},
+ {"label": "y", "x": 6, "y": 1},
+ {"label": "u", "x": 7, "y": 1},
+ {"label": "i", "x": 8, "y": 1},
+ {"label": "o", "x": 9, "y": 1},
+ {"label": "p", "x": 10, "y": 1},
+ {"label": "/", "x": 11, "y": 1},
+ {"label": "bs", "x": 12, "y": 1},
+
+ {"label": "tab", "x": 0, "y": 2, "w": 1.25},
+ {"label": "a", "x": 1.25, "y": 2},
+ {"label": "s", "x": 2.25, "y": 2},
+ {"label": "d", "x": 3.25, "y": 2},
+ {"label": "f", "x": 4.25, "y": 2},
+ {"label": "g", "x": 5.25, "y": 2},
+ {"label": "h", "x": 6.25, "y": 2},
+ {"label": "j", "x": 7.25, "y": 2},
+ {"label": "k", "x": 8.25, "y": 2},
+ {"label": "l", "x": 9.25, "y": 2},
+ {"label": ";", "x": 10.25, "y": 2},
+ {"label": "enter", "x": 11.25, "y": 2, "w": 1.75},
+
+ {"label": "lshift", "x": 0, "y": 3, "w": 1.75},
+ {"label": "z", "x": 1.75, "y": 3},
+ {"label": "x", "x": 2.75, "y": 3},
+ {"label": "c", "x": 3.75, "y": 3},
+ {"label": "v", "x": 4.75, "y": 3},
+ {"label": "b", "x": 5.75, "y": 3},
+ {"label": "n", "x": 6.75, "y": 3},
+ {"label": "m", "x": 7.75, "y": 3},
+ {"label": ",", "x": 8.75, "y": 3},
+ {"label": ".", "x": 9.75, "y": 3},
+ {"label": "up", "x": 10.75, "y": 3},
+ {"label": "rshift", "x": 11.75, "y": 3, "w": 1.25},
+
+ {"label": "ctrl", "x": 0, "y": 4, "w": 1.25},
+ {"label": "qui", "x": 1.25, "y": 4, "w": 1.25},
+ {"label": "alt", "x": 2.50, "y": 4, "w": 1.25},
+ {"label": "del", "x": 3.75, "y": 4, "w": 1.25},
+ {"label": "enter", "x": 5, "y": 4, "w": 1.75},
+ {"label": "space", "x": 6.75, "y": 4, "w": 1.75},
+ {"label": "'", "x": 8.50, "y": 4, "w": 1.5},
+ {"label": "left", "x": 10, "y": 4},
+ {"label": "down", "x": 11, "y": 4},
+ {"label": "right", "x": 12, "y": 4}
+
+ ]
+ }
+ }
+}
diff --git a/keyboards/slz40/keymaps/default/keymap.c b/keyboards/slz40/keymaps/default/keymap.c
new file mode 100644
index 000000000000..9212d792e827
--- /dev/null
+++ b/keyboards/slz40/keymaps/default/keymap.c
@@ -0,0 +1,48 @@
+/* Copyright 2020 SithLord
+ *
+ * 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
+
+// Defines names for use in layer keycodes and the keymap
+enum layer_names {
+ _BASE,
+ _FN,
+ _FN2
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ /* Base */
+ [_BASE] = LAYOUT(
+ KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS,
+ KC_GESC, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_SLSH, KC_BSPC,
+ LT(_FN, KC_TAB), KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, LT(_FN,KC_ENT),
+ KC_LSPO, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_UP, KC_RSPC,
+ KC_LCTL, KC_LGUI, KC_LALT, LT(_FN2, KC_DEL), LT(_FN2, KC_ENTER), KC_SPACE, KC_QUOT, KC_LEFT, KC_DOWN, KC_RIGHT
+ ),
+ [_FN] = LAYOUT(
+ KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11,
+ KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_SLSH, KC_BSPC,
+ KC_TRNS, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_PIPE, KC_MINS, KC_EQL, KC_NO, KC_BSLS, KC_TRNS,
+ KC_LSFT, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_LBRC, KC_RBRC, KC_COMM, KC_DOT, KC_PGUP, KC_RSFT,
+ KC_LCTL, KC_LGUI, KC_LALT, KC_TRNS, KC_TRNS, KC_SPACE, KC_QUOT, KC_HOME, KC_PGDN, KC_END
+ ),
+ [_FN2] = LAYOUT(
+ KC_EXLM, KC_AT, KC_HASH, KC_DLR, KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, RESET,
+ KC_ESC, KC_EXLM, KC_AT, KC_HASH, KC_DLR, KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_PIPE, KC_BSPC,
+ KC_TAB, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_BSLS, KC_UNDS, KC_PLUS, KC_NO, KC_NO, KC_ENT,
+ KC_LSFT, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_LCBR, KC_RCBR, KC_COMM, KC_DOT, KC_VOLU, KC_RSFT,
+ KC_LCTL, KC_LGUI, KC_LALT, KC_TRNS, KC_TRNS, KC_SPACE, KC_QUOT, KC_HOME, KC_VOLD, KC_END
+ )
+};
diff --git a/keyboards/slz40/keymaps/default/readme.md b/keyboards/slz40/keymaps/default/readme.md
new file mode 100644
index 000000000000..e9b38ab415f4
--- /dev/null
+++ b/keyboards/slz40/keymaps/default/readme.md
@@ -0,0 +1 @@
+# The default keymap for slz40
diff --git a/keyboards/slz40/readme.md b/keyboards/slz40/readme.md
new file mode 100644
index 000000000000..d710f597f99a
--- /dev/null
+++ b/keyboards/slz40/readme.md
@@ -0,0 +1,19 @@
+# slz40
+
+![SLZ40](https://imgur.com/kgXfEBR.jpg)
+
+PCB and keymap files for the SLZ40, a 40s style keyboard with numbers for Zhuyin input.
+
+* Keyboard Maintainer: [SithLord](https://github.com/sithlord121/slz40)
+* Hardware Supported: ProMicro or similar controller is required.
+* Hardware Availability: PCB files can be found at https://github.com/sithlord121/slz40
+
+Make example for this keyboard (after setting up your build environment):
+
+ make slz40:default
+
+Flashing example for this keyboard:
+
+ make slz40: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).
diff --git a/keyboards/slz40/rules.mk b/keyboards/slz40/rules.mk
new file mode 100644
index 000000000000..5c0d8f307c54
--- /dev/null
+++ b/keyboards/slz40/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 = no # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no # Enable Bluetooth
+AUDIO_ENABLE = no # Audio output
diff --git a/keyboards/slz40/slz40.c b/keyboards/slz40/slz40.c
new file mode 100644
index 000000000000..261b0bd89233
--- /dev/null
+++ b/keyboards/slz40/slz40.c
@@ -0,0 +1,17 @@
+/* Copyright 2020 SithLord
+ *
+ * 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 "slz40.h"
diff --git a/keyboards/slz40/slz40.h b/keyboards/slz40/slz40.h
new file mode 100644
index 000000000000..88e7178c629d
--- /dev/null
+++ b/keyboards/slz40/slz40.h
@@ -0,0 +1,41 @@
+/* Copyright 2020 SithLord
+ *
+ * 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"
+
+/* This is a shortcut to help you visually see your layout.
+ *
+ * The first section contains all of the arguments representing the physical
+ * layout of the board and position of the keys.
+ *
+ * The second converts the arguments into a two-dimensional array which
+ * represents the switch matrix.
+ */
+#define LAYOUT( \
+ k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, \
+ k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k0b, k1b, \
+ k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b, \
+ k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b, \
+ k40, k41, k42, k43, k44, k46, k48, k49, k4a, k4b \
+) { \
+ { k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b }, \
+ { k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b }, \
+ { k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b }, \
+ { k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b }, \
+ { k40, k41, k42, k43, k44, KC_NO, k46, KC_NO, k48, k49, k4a, k4b } \
+}