diff --git a/keyboards/ryanbaekr/rb18/config.h b/keyboards/ryanbaekr/rb18/config.h
new file mode 100644
index 0000000000..6351db6acf
--- /dev/null
+++ b/keyboards/ryanbaekr/rb18/config.h
@@ -0,0 +1,114 @@
+/*
+Copyright 2022 ryanbaekr
+
+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 0x7262
+#define PRODUCT_ID 0x0018
+#define DEVICE_VER 0x0003
+#define MANUFACTURER ryanbaekr
+#define PRODUCT rb18
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 4
+
+/*
+ * 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 { B1, F7, F6, F5, F4 }
+#define MATRIX_COL_PINS { B2, B6, B5, B4 }
+#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
+
+
+
+/* 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
+
+/* number of backlight levels */
+#define BACKLIGHT_LEVELS 10
+
+/* Underglow options */
+#define RGB_DI_PIN B0
+#ifdef RGB_DI_PIN
+#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 RGBLED_NUM 3
+#define RGBLED_HUE_STEP 8
+#define RGBLED_SAT_STEP 8
+#define RGBLED_VAL_STEP 8
+#endif
+
+/* 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 userful 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
diff --git a/keyboards/ryanbaekr/rb18/info.json b/keyboards/ryanbaekr/rb18/info.json
new file mode 100644
index 0000000000..2ad1b56b6a
--- /dev/null
+++ b/keyboards/ryanbaekr/rb18/info.json
@@ -0,0 +1,10 @@
+{
+ "keyboard_name": "rb18",
+ "url": "",
+ "maintainer": "qmk",
+ "layouts": {
+ "LAYOUT_numpad_5x4": {
+ "layout": [{"x":0, "y":1.25}, {"x":1, "y":1.25}, {"x":2, "y":1.25}, {"x":3, "y":1.25}, {"x":0, "y":2.25}, {"x":1, "y":2.25}, {"x":2, "y":2.25}, {"x":3, "y":2.25, "h":2}, {"x":0, "y":3.25}, {"x":1, "y":3.25}, {"x":2, "y":3.25}, {"x":0, "y":4.25}, {"x":1, "y":4.25}, {"x":2, "y":4.25}, {"x":3, "y":4.25, "h":2}, {"x":0, "y":5.25, "w":2}, {"x":2, "y":5.25}]
+ }
+ }
+}
diff --git a/keyboards/ryanbaekr/rb18/keymaps/default/keymap.c b/keyboards/ryanbaekr/rb18/keymaps/default/keymap.c
new file mode 100644
index 0000000000..28b4cb0da5
--- /dev/null
+++ b/keyboards/ryanbaekr/rb18/keymaps/default/keymap.c
@@ -0,0 +1,26 @@
+/* Copyright 2022 ryanbaekr
+ *
+ * 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_numpad_5x4(
+ KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+ KC_P7, KC_P8, KC_P9,
+ KC_P4, KC_P5, KC_P6, KC_PPLS,
+ KC_P1, KC_P2, KC_P3,
+ KC_P0, KC_PDOT, KC_PENT
+ )
+};
diff --git a/keyboards/ryanbaekr/rb18/keymaps/default/readme.md b/keyboards/ryanbaekr/rb18/keymaps/default/readme.md
new file mode 100644
index 0000000000..87dbe30e5f
--- /dev/null
+++ b/keyboards/ryanbaekr/rb18/keymaps/default/readme.md
@@ -0,0 +1 @@
+# The default keymap for rb18
diff --git a/keyboards/ryanbaekr/rb18/keymaps/via/keymap.c b/keyboards/ryanbaekr/rb18/keymaps/via/keymap.c
new file mode 100644
index 0000000000..455b2a99f5
--- /dev/null
+++ b/keyboards/ryanbaekr/rb18/keymaps/via/keymap.c
@@ -0,0 +1,50 @@
+/* Copyright 2022 ryanbaekr
+ *
+ * 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_numpad_5x4(
+ KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+ KC_P7, KC_P8, KC_P9,
+ KC_P4, KC_P5, KC_P6, KC_PPLS,
+ KC_P1, KC_P2, KC_P3,
+ KC_P0, KC_PDOT, KC_PENT
+ ),
+
+ [1] = LAYOUT_numpad_5x4(
+ _______, _______, _______, _______,
+ _______, _______, _______,
+ _______, _______, _______, _______,
+ _______, _______, _______,
+ _______, _______, _______
+ ),
+
+ [2] = LAYOUT_numpad_5x4(
+ _______, _______, _______, _______,
+ _______, _______, _______,
+ _______, _______, _______, _______,
+ _______, _______, _______,
+ _______, _______, _______
+ ),
+
+ [3] = LAYOUT_numpad_5x4(
+ _______, _______, _______, _______,
+ _______, _______, _______,
+ _______, _______, _______, _______,
+ _______, _______, _______,
+ _______, _______, _______
+ )
+};
diff --git a/keyboards/ryanbaekr/rb18/keymaps/via/rules.mk b/keyboards/ryanbaekr/rb18/keymaps/via/rules.mk
new file mode 100644
index 0000000000..36b7ba9cbc
--- /dev/null
+++ b/keyboards/ryanbaekr/rb18/keymaps/via/rules.mk
@@ -0,0 +1,2 @@
+VIA_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/ryanbaekr/rb18/rb18.c b/keyboards/ryanbaekr/rb18/rb18.c
new file mode 100644
index 0000000000..366364e42f
--- /dev/null
+++ b/keyboards/ryanbaekr/rb18/rb18.c
@@ -0,0 +1,17 @@
+/* Copyright 2022 ryanbaekr
+ *
+ * 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 "rb18.h"
diff --git a/keyboards/ryanbaekr/rb18/rb18.h b/keyboards/ryanbaekr/rb18/rb18.h
new file mode 100644
index 0000000000..2dd2d61e86
--- /dev/null
+++ b/keyboards/ryanbaekr/rb18/rb18.h
@@ -0,0 +1,35 @@
+/* Copyright 2022 ryanbaekr
+ *
+ * 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 ___ KC_NO
+
+#define LAYOUT_numpad_5x4( \
+ k00, k11, k02, k03, \
+ k10, k21, k12, \
+ k20, k31, k22, k13, \
+ k30, k41, k32, \
+ k40, k42, k33 \
+){ \
+ { k00, ___, k02, k03 }, \
+ { k10, k11, k12, k13 }, \
+ { k20, k21, k22, ___ }, \
+ { k30, k31, k32, k33 }, \
+ { k40, k41, k42, ___ } \
+}
diff --git a/keyboards/ryanbaekr/rb18/readme.md b/keyboards/ryanbaekr/rb18/readme.md
new file mode 100644
index 0000000000..f670ef9808
--- /dev/null
+++ b/keyboards/ryanbaekr/rb18/readme.md
@@ -0,0 +1,15 @@
+# rb18
+
+A diy stacked acrylic numpad.
+
+* Keyboard Maintainer: [ryanbaekr](https://github.com/ryanbaekr)
+* Hardware Supported: rb18 with Elite-C
+* Hardware Availability: 2022/04/18
+
+Make example for this keyboard (after setting up your build environment):
+
+ make ryanbaekr/rb18:default
+
+To boot into the bootloader, hold the reset button on the Elite-C on plug in
+
+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/ryanbaekr/rb18/rules.mk b/keyboards/ryanbaekr/rb18/rules.mk
new file mode 100644
index 0000000000..ebbb7bc613
--- /dev/null
+++ b/keyboards/ryanbaekr/rb18/rules.mk
@@ -0,0 +1,18 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = caterina
+
+# 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 = no # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes # Enable keyboard RGB underglow
+AUDIO_ENABLE = no # Audio output