diff --git a/keyboards/setta21/config.h b/keyboards/setta21/config.h
new file mode 100644
index 0000000000..cfb6bf4ffc
--- /dev/null
+++ b/keyboards/setta21/config.h
@@ -0,0 +1,21 @@
+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+
+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 <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include "config_common.h"
diff --git a/keyboards/setta21/info.json b/keyboards/setta21/info.json
new file mode 100644
index 0000000000..a1143fb03d
--- /dev/null
+++ b/keyboards/setta21/info.json
@@ -0,0 +1,34 @@
+{
+ "keyboard_name": "setta21",
+ "url": "https://salicylic-acid3.hatenablog.com/",
+ "maintainer": "Salicylic_acid3",
+ "width": 18.25,
+ "height": 6.25,
+ "layouts": {
+ "LAYOUT_numpad_6x4": {
+ "layout": [
+ {"label":"ESC", "x":0, "y":0},
+ {"label":"F2", "x":1, "y":0},
+ {"label":"\uff1d", "x":2, "y":0},
+ {"label":"Del", "x":3, "y":0},
+ {"label":"Num Lock", "x":0, "y":1.25},
+ {"label":"/", "x":1, "y":1.25},
+ {"label":"*", "x":2, "y":1.25},
+ {"label":"-", "x":3, "y":1.25},
+ {"label":"7", "x":0, "y":2.25},
+ {"label":"8", "x":1, "y":2.25},
+ {"label":"9", "x":2, "y":2.25},
+ {"label":"+", "x":3, "y":2.25, "h":2},
+ {"label":"4", "x":0, "y":3.25},
+ {"label":"5", "x":1, "y":3.25},
+ {"label":"6", "x":2, "y":3.25},
+ {"label":"1", "x":0, "y":4.25},
+ {"label":"2", "x":1, "y":4.25},
+ {"label":"3", "x":2, "y":4.25},
+ {"label":"Enter", "x":3, "y":4.25, "h":2},
+ {"label":"0", "x":0, "y":5.25, "w":2},
+ {"label":".", "x":2, "y":5.25}
+ ]
+ }
+ }
+}
diff --git a/keyboards/setta21/keymaps/default/config.h b/keyboards/setta21/keymaps/default/config.h
new file mode 100644
index 0000000000..e35fe2ccd7
--- /dev/null
+++ b/keyboards/setta21/keymaps/default/config.h
@@ -0,0 +1,23 @@
+/* Copyright 2018 Salicylic_acid3
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+/* Select hand configuration */
+
+#define TAPPING_FORCE_HOLD
+#define TAPPING_TERM 180
+
diff --git a/keyboards/setta21/keymaps/default/keymap.c b/keyboards/setta21/keymaps/default/keymap.c
new file mode 100644
index 0000000000..fa33c08f26
--- /dev/null
+++ b/keyboards/setta21/keymaps/default/keymap.c
@@ -0,0 +1,69 @@
+#include QMK_KEYBOARD_H
+
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+extern rgblight_config_t rgblight_config;
+#endif
+
+extern uint8_t is_master;
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+enum layer_number {
+ _BASE,
+ _ARROW,
+ _ADJUST,
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_BASE] = LAYOUT_numpad_6x4(
+ //,-----------------------------------|
+LT(_ADJUST,KC_ESC), KC_F2, KC_EQL, KC_DEL,
+ //|--------+--------+--------+--------|
+ 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,
+ //|--------+--------+--------+--------|
+LT(_ARROW, KC_P0), KC_PDOT,KC_PENT
+ //`-----------------------------------'
+ ),
+
+ [_ARROW] = LAYOUT_numpad_6x4(
+ //,-----------------------------------|
+ KC_ESC, _______, _______, _______,
+ //|--------+--------+--------+--------|
+ XXXXXXX, _______, _______, _______,
+ //|--------+--------+--------+--------|
+ XXXXXXX, KC_UP, XXXXXXX,
+ //|--------+--------+--------+--------|
+ KC_LEFT, KC_DOWN,KC_RIGHT, _______,
+ //|--------+--------+--------+--------|
+ XXXXXXX, KC_DOWN, XXXXXXX,
+ //|--------+--------+--------+--------|
+ MO(_ARROW), _______, _______
+ //`-----------------------------------'
+ ),
+
+ [_ADJUST] = LAYOUT_numpad_6x4( /* Base */
+ //,-----------------------------------|
+ MO(_ADJUST), _______, _______, _______,
+ //|--------+--------+--------+--------|
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ //|--------+--------+--------+--------|
+ RGB_SAD, RGB_SAI, XXXXXXX,
+ //|--------+--------+--------+--------|
+ RGB_HUD, RGB_HUI, XXXXXXX, RGB_TOG,
+ //|--------+--------+--------+--------|
+ RGB_VAD, RGB_VAI, XXXXXXX,
+ //|--------+--------+--------+--------|
+ XXXXXXX, XXXXXXX, RGB_MOD
+ //`-----------------------------------'
+ )
+};
diff --git a/keyboards/setta21/keymaps/default/readme.md b/keyboards/setta21/keymaps/default/readme.md
new file mode 100644
index 0000000000..1028d848c5
--- /dev/null
+++ b/keyboards/setta21/keymaps/default/readme.md
@@ -0,0 +1,38 @@
+# The default keymap for setta21
+
+## Base
+| 1 | 2 | 3 | 4 |
+|:----------:|:----:|:----:|:----:|
+|Adjust , ESC| F2 | = | Del |
+| NumLock | / | * | minus|
+| 7 | 8 | 9 | |
+| 4 | 5 | 6 | + |
+| 1 | 2 | 3 | |
+| Arrow , 0 | | . | Ent |
+
+
+
+## Arrow
+| 1 | 2 | 3 | 4 |
+|:----------:|:----:|:----:|:----:|
+| ESC | F2 | = | Del |
+| XXXXX | / | * | minus|
+| XXXXX | UP | XXXXX| |
+| LEFT | DOWN | RIGHT| + |
+| XXXXX | DOWN | XXXXX| |
+| Arrow | | . | Ent |
+
+
+
+
+## Adjust
+| 1 | 2 | 3 | 4 |
+|:----------:|:-----:|:----:|:------:|
+| Adjust | F2 | = | Del |
+| XXXXX | XXXXX | XXXXX| XXXXX |
+| XXXXX |RGB_SAI| XXXXX| |
+| LEFT |RGB_HUI| XXXXX| RGB_TOG|
+| RGB_VAD |RGB_VAI| XXXXX| |
+| XXXXX | | XXXXX| RGB_MOD|
+
+
diff --git a/keyboards/setta21/keymaps/salicylic/config.h b/keyboards/setta21/keymaps/salicylic/config.h
new file mode 100644
index 0000000000..44b34aa2fd
--- /dev/null
+++ b/keyboards/setta21/keymaps/salicylic/config.h
@@ -0,0 +1,40 @@
+/* Copyright 2018 Salicylic_acid3
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+/* Select hand configuration */
+
+#define TAPPING_FORCE_HOLD
+#define TAPPING_TERM 180
+
+#define DRIVER_LED_TOTAL RGBLED_NUM
+
+#ifdef RGB_MATRIX_ENABLE
+# define RGB_MATRIX_KEYPRESSES // reacts to keypresses
+// # define RGB_MATRIX_KEYRELEASES // reacts to keyreleases (instead of keypresses)
+// # define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects
+# define RGB_DISABLE_WHEN_USB_SUSPENDED true // turn off effects when suspended
+// # define RGB_MATRIX_LED_PROCESS_LIMIT (DRIVER_LED_TOTAL + 4) / 5 // limits the number of LEDs to process in an animation per task run (increases keyboard responsiveness)
+// # define RGB_MATRIX_LED_FLUSH_LIMIT 16 // limits in milliseconds how frequently an animation will update the LEDs. 16 (16ms) is equivalent to limiting to 60fps (increases keyboard responsiveness)
+// # define RGB_MATRIX_MAXIMUM_BRIGHTNESS 150 // limits maximum brightness of LEDs to 200 out of 255. If not defined maximum brightness is set to 255
+# define RGB_MATRIX_HUE_STEP 8
+# define RGB_MATRIX_SAT_STEP 8
+# define RGB_MATRIX_LIMIT_VAL 50
+# define RGB_MATRIX_VAL_STEP 5
+# define RGB_MATRIX_SPD_STEP 10
+#endif
+
diff --git a/keyboards/setta21/keymaps/salicylic/keymap.c b/keyboards/setta21/keymaps/salicylic/keymap.c
new file mode 100644
index 0000000000..d1db2ff9a2
--- /dev/null
+++ b/keyboards/setta21/keymaps/salicylic/keymap.c
@@ -0,0 +1,197 @@
+#include QMK_KEYBOARD_H
+#include "keymap_jp.h"
+
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+extern rgblight_config_t rgblight_config;
+#endif
+
+extern uint8_t is_master;
+
+#ifdef OLED_DRIVER_ENABLE
+static uint32_t oled_timer = 0;
+#endif
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+enum layer_number {
+ _BASE = 0,
+ _ARROW,
+ _MACRO,
+ _ADJUST,
+};
+
+enum custom_keycodes {
+ RGB_RST = SAFE_RANGE,
+ SEND_SUM,
+ SEND_AVE,
+ SEND_CIF,
+ SEND_MAX,
+ SEND_MIN
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_BASE] = LAYOUT_numpad_6x4(
+ //,-----------------------------------|
+ KC_ESC, KC_F2, JP_EQL, KC_DEL,
+ //|--------+--------+--------+--------|
+ 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,
+ //|--------+--------+--------+--------|
+LT(_ARROW, KC_P0),LT(_MACRO, KC_PDOT),KC_PENT
+ //`-----------------------------------'
+ ),
+
+ [_ARROW] = LAYOUT_numpad_6x4(
+ //,-----------------------------------|
+ _______, _______, _______, _______,
+ //|--------+--------+--------+--------|
+ XXXXXXX, _______, _______, _______,
+ //|--------+--------+--------+--------|
+ XXXXXXX, KC_UP, XXXXXXX,
+ //|--------+--------+--------+--------|
+ KC_LEFT, KC_DOWN,KC_RIGHT, _______,
+ //|--------+--------+--------+--------|
+ XXXXXXX, KC_DOWN, XXXXXXX,
+ //|--------+--------+--------+--------|
+ MO(_ARROW), MO(_MACRO), _______
+ //`-----------------------------------'
+ ),
+
+ [_MACRO] = LAYOUT_numpad_6x4(
+ //,-----------------------------------|
+ _______, _______, _______, _______,
+ //|--------+--------+--------+--------|
+ SEND_MIN,SEND_MAX,SEND_CIF,SEND_AVE,
+ //|--------+--------+--------+--------|
+ KC_F7, KC_F8, KC_F9,
+ //|--------+--------+--------+--------|
+ KC_F4, KC_F5, KC_F6,SEND_SUM,
+ //|--------+--------+--------+--------|
+ KC_F11, KC_F12, KC_F3,
+ //|--------+--------+--------+--------|
+ _______, _______, JP_RPRN
+ //`-----------------------------------'
+ ),
+
+ [_ADJUST] = LAYOUT_numpad_6x4( /* Base */
+ //,-----------------------------------|
+ _______, _______, _______, _______,
+ //|--------+--------+--------+--------|
+ XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ //|--------+--------+--------+--------|
+ RGB_SAD, RGB_SAI, XXXXXXX,
+ //|--------+--------+--------+--------|
+ RGB_HUD, RGB_HUI, XXXXXXX, RGB_TOG,
+ //|--------+--------+--------+--------|
+ RGB_VAD, RGB_VAI, XXXXXXX,
+ //|--------+--------+--------+--------|
+ _______, _______, RGB_MOD
+ //`-----------------------------------'
+ )
+};
+
+
+//A description for expressing the layer position in LED mode.
+layer_state_t layer_state_set_user(layer_state_t state) {
+ return update_tri_layer_state(state, _ARROW, _MACRO, _ADJUST);
+}
+
+int RGB_current_mode;
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ bool result = false;
+ if (record->event.pressed) {
+ #ifdef OLED_DRIVER_ENABLE
+ oled_timer = timer_read32();
+ #endif
+ }
+ switch (keycode) {
+ case SEND_SUM:
+ if (record->event.pressed) {
+ SEND_STRING("_SUM*");
+ }
+ break;
+ case SEND_AVE:
+ if (record->event.pressed) {
+ SEND_STRING("_AVERAGE*");
+ }
+ break;
+ case SEND_CIF:
+ if (record->event.pressed) {
+ SEND_STRING("_COUNTIF*");
+ }
+ break;
+ case SEND_MAX:
+ if (record->event.pressed) {
+ SEND_STRING("_MAX*");
+ }
+ break;
+ case SEND_MIN:
+ if (record->event.pressed) {
+ SEND_STRING("_MIN*");
+ }
+ break;
+ #ifdef RGBLIGHT_ENABLE
+ case RGB_MOD:
+ if (record->event.pressed) {
+ rgblight_mode(RGB_current_mode);
+ rgblight_step();
+ RGB_current_mode = rgblight_config.mode;
+ }
+ break;
+ case RGB_RST:
+ if (record->event.pressed) {
+ eeconfig_update_rgblight_default();
+ rgblight_enable();
+ RGB_current_mode = rgblight_config.mode;
+ }
+ break;
+ #endif
+ default:
+ result = true;
+ break;
+ }
+
+ return result;
+}
+
+#ifdef OLED_DRIVER_ENABLE
+oled_rotation_t oled_init_user(oled_rotation_t rotation) { return OLED_ROTATION_0; }
+
+
+void render_layer_state(void) {
+ oled_write_P(PSTR("LAYER: "), false);
+ oled_write_P(PSTR(" Arrow "), layer_state_is(_ARROW));
+ oled_write_P(PSTR(" Macro "), layer_state_is(_MACRO));
+}
+
+void render_keylock_status(uint8_t led_usb_state) {
+ oled_write_P(PSTR("NumLock"), led_usb_state & (1 << USB_LED_NUM_LOCK));
+ oled_write_P(PSTR(" "), false);
+}
+
+void render_layer_messages(void) {
+ oled_write_P(PSTR("Setta21 For Your Good Job. "), false);
+}
+
+
+void render_status(void) {
+ /* Show Keyboard Layout */
+ render_layer_messages();
+ render_keylock_status(host_keyboard_leds());
+ render_layer_state();
+}
+
+void oled_task_user(void) {
+ render_status(); // Renders the current keyboard state (layer, lock, caps, scroll, etc)
+}
+
+#endif
diff --git a/keyboards/setta21/keymaps/salicylic/readme.md b/keyboards/setta21/keymaps/salicylic/readme.md
new file mode 100644
index 0000000000..ad27736d2b
--- /dev/null
+++ b/keyboards/setta21/keymaps/salicylic/readme.md
@@ -0,0 +1,49 @@
+# The salicylic keymap for setta21
+
+## Base
+| 1 | 2 | 3 | 4 |
+|:----------:|:----:|:---------:|:----:|
+| ESC | F2 | = | Del |
+| NumLock | / | * | minus|
+| 7 | 8 | 9 | |
+| 4 | 5 | 6 | + |
+| 1 | 2 | 3 | |
+| Arrow , 0 | | Macro , . | Ent |
+
+
+
+## Arrow
+| 1 | 2 | 3 | 4 |
+|:----------:|:----:|:-----:|:----:|
+| ESC | F2 | = | Del |
+| XXXXX | / | * | minus|
+| XXXXX | UP | XXXXX | |
+| LEFT | DOWN | RIGHT | + |
+| XXXXX | DOWN | XXXXX | |
+| Arrow | | Macro | Ent |
+
+
+
+## Macro
+| 1 | 2 | 3 | 4 |
+|:----------:|:------:|:---------:|:--------:|
+| ESC | F2 | = | Del |
+| =MIN( | =MAX( | =COUNTIF( | =AVERAGE(|
+| F7 | F8 | F9 | |
+| F4 | F5 | F6 | =SUM( |
+| F11 | F12 | F3 | |
+| Arrow | | Macro | ) |
+
+
+
+## Adjust
+| 1 | 2 | 3 | 4 |
+|:----------:|:-----:|:----:|:------:|
+| Adjust | F2 | = | Del |
+| XXXXX | XXXXX | XXXXX| XXXXX |
+| XXXXX |RGB_SAI| XXXXX| |
+| LEFT |RGB_HUI| XXXXX| RGB_TOG|
+| RGB_VAD |RGB_VAI| XXXXX| |
+| Arrow | | Macro| RGB_MOD|
+
+
diff --git a/keyboards/setta21/keymaps/salicylic/rules.mk b/keyboards/setta21/keymaps/salicylic/rules.mk
new file mode 100644
index 0000000000..be8d10c9a6
--- /dev/null
+++ b/keyboards/setta21/keymaps/salicylic/rules.mk
@@ -0,0 +1,3 @@
+RGBLIGHT_ENABLE = no
+RGB_MATRIX_ENABLE = WS2812
+
diff --git a/keyboards/setta21/readme.md b/keyboards/setta21/readme.md
new file mode 100644
index 0000000000..c940079997
--- /dev/null
+++ b/keyboards/setta21/readme.md
@@ -0,0 +1,17 @@
+# setta21
+
+
+
+This is 21 keys tenkeypad.
+
+* Keyboard Maintainer: [Salicylic_acid3](https://github.com/Salicylic-acid3)
+* Hardware Supported: setta21 PCB, Pro Micro
+* Hardware Availability: [PCB & Case Data](https://github.com/Salicylic-acid3/PCB_Data), [Booth Shop](https://salicylic-acid3.booth.pm/items/1271667)
+
+Make example for this keyboard (after setting up your build environment):
+
+ make setta21:default
+
+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).
+
+[Build guide](https://salicylic-acid3.hatenablog.com/entry/setta21-build-guide)
diff --git a/keyboards/setta21/rev1/config.h b/keyboards/setta21/rev1/config.h
new file mode 100644
index 0000000000..57451a7e30
--- /dev/null
+++ b/keyboards/setta21/rev1/config.h
@@ -0,0 +1,67 @@
+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+
+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 <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0xFEED
+#define PRODUCT_ID 0x3060
+#define DEVICE_VER 0x0011
+#define MANUFACTURER Salicylic_Acid
+#define PRODUCT setta21
+#define DESCRIPTION A custom tenkeypad
+
+/* key matrix size */
+#define MATRIX_ROWS 4
+#define MATRIX_COLS 6
+
+// wiring of each half
+#define MATRIX_ROW_PINS { D4, C6, D7, E6 }
+#define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3 }
+
+/* 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
+
+/* ws2812 RGB LED */
+#define RGB_DI_PIN D3
+
+#define RGBLED_NUM 21 // Number of LEDs
+#define RGBLIGHT_ANIMATIONS
+
+#ifndef IOS_DEVICE_ENABLE
+ #define RGBLIGHT_LIMIT_VAL 180
+ #define RGBLIGHT_VAL_STEP 17
+#else
+ #define RGBLIGHT_LIMIT_VAL 50
+ #define RGBLIGHT_VAL_STEP 4
+#endif
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+
+#if defined(RGBLIGHT_ENABLE) && !defined(IOS_DEVICE_ENABLE)
+ #define USB_MAX_POWER_CONSUMPTION 400
+#else
+ // fix iPhone and iPad power adapter issue
+ // iOS device need lessthan 100
+ #define USB_MAX_POWER_CONSUMPTION 100
+#endif
diff --git a/keyboards/setta21/rev1/rev1.c b/keyboards/setta21/rev1/rev1.c
new file mode 100644
index 0000000000..3c0823870b
--- /dev/null
+++ b/keyboards/setta21/rev1/rev1.c
@@ -0,0 +1,25 @@
+#include "rev1.h"
+
+#ifdef RGB_MATRIX_ENABLE
+ led_config_t g_led_config = { {
+ // Key Matrix to LED Index
+ { 14,13, 7, 6, 0,20 },
+ { 12, 8, 5, 1,19 },
+ { 15,11, 9, 4, 2,18 },
+ { 16, 10, 3,17 }
+ }, {
+ // LED Index to Physical Position
+ { 0, 179 }, { 21, 179 }, { 43, 179 }, { 64, 179 }, { 43, 134 }, { 21, 134 }, { 0, 134 }, { 0, 90 }, { 21, 90 }, { 43, 90 },
+ { 64, 112 }, { 43, 45 }, { 21, 45 }, { 0, 45 }, { 11, 0 }, { 43, 0 }, { 64, 23 }, { 64, 224 }, { 43, 224 }, { 21, 224 },
+ { 0, 224 }
+ }, {
+ // LED Index to Flag
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4
+} };
+#endif
+
+void matrix_init_kb(void) {
+ matrix_init_user();
+};
diff --git a/keyboards/setta21/rev1/rev1.h b/keyboards/setta21/rev1/rev1.h
new file mode 100644
index 0000000000..772c843c57
--- /dev/null
+++ b/keyboards/setta21/rev1/rev1.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include "setta21.h"
+
+#define LAYOUT_numpad_6x4( \
+ L05, L15, L25, L35, \
+ L04, L14, L24, L34, \
+ L03, L13, L23, \
+ L02, L12, L22, L32, \
+ L01, L11, L21, \
+ L00, L20, L30 \
+ ) \
+ { \
+ { L00, L01, L02, L03, L04, L05 }, \
+ {KC_NO, L11, L12, L13, L14, L15 }, \
+ { L20, L21, L22, L23, L24, L25 }, \
+ { L30,KC_NO, L32,KC_NO, L34, L35 } \
+ }
diff --git a/keyboards/setta21/rev1/rules.mk b/keyboards/setta21/rev1/rules.mk
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/keyboards/setta21/rules.mk b/keyboards/setta21/rules.mk
new file mode 100644
index 0000000000..f9c4106343
--- /dev/null
+++ b/keyboards/setta21/rules.mk
@@ -0,0 +1,37 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+# Teensy halfkay
+# Pro Micro caterina
+# Atmel DFU atmel-dfu
+# LUFA DFU lufa-dfu
+# QMK DFU qmk-dfu
+# ATmega32A bootloadHID
+# ATmega328P USBasp
+BOOTLOADER = caterina
+
+# Build Options
+# change yes to no to disable
+#
+BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = no # Mouse keys
+EXTRAKEY_ENABLE = no # Audio control and System control
+CONSOLE_ENABLE = no # Console for debug
+COMMAND_ENABLE = no # Commands for debug and configuration
+NKRO_ENABLE = no # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
+MIDI_ENABLE = no # MIDI controls
+AUDIO_ENABLE = no # Audio output on port C6
+UNICODE_ENABLE = no # Unicode
+BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = yes # Enable WS2812 RGB underlight.
+TAP_DANCE_ENABLE = no
+OLED_DRIVER_ENABLE = yes
+USE_I2C = no
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
+
+DEFAULT_FOLDER = setta21/rev1
+
+LAYOUTS = numpad_6x4
diff --git a/keyboards/setta21/setta21.c b/keyboards/setta21/setta21.c
new file mode 100644
index 0000000000..73c07682f7
--- /dev/null
+++ b/keyboards/setta21/setta21.c
@@ -0,0 +1 @@
+#include "setta21.h"
diff --git a/keyboards/setta21/setta21.h b/keyboards/setta21/setta21.h
new file mode 100644
index 0000000000..0409f6cbc2
--- /dev/null
+++ b/keyboards/setta21/setta21.h
@@ -0,0 +1,7 @@
+#pragma once
+
+#include "quantum.h"
+
+#ifdef KEYBOARD_setta21_rev1
+ #include "rev1.h"
+#endif