diff --git a/keyboards/doio/kb3x/info.json b/keyboards/doio/kb3x/info.json
new file mode 100644
index 00000000000..be0d1384397
--- /dev/null
+++ b/keyboards/doio/kb3x/info.json
@@ -0,0 +1,125 @@
+{
+    "manufacturer": "DOIO",
+    "keyboard_name": "KB3x-01",
+    "maintainer": "DOIO2022",
+    "bootloader": "stm32duino",
+    "diode_direction": "COL2ROW",
+    "dynamic_keymap": {
+        "layer_count": 6
+    },
+    "encoder": {
+        "rotary": [
+            {"pin_a": "B5", "pin_b": "B6", "resolution": 2},
+            {"pin_a": "A1", "pin_b": "A2", "resolution": 2},
+            {"pin_a": "A3", "pin_b": "A4", "resolution": 2}
+        ]
+    },
+    "features": {
+        "bootmagic": true,
+        "encoder": true,
+        "extrakey": true,
+        "mousekey": true,
+        "rgb_matrix": true
+    },
+    "matrix_pins": {
+        "cols": ["B14", "B13", "B12", "B0", "A7", "A6"],
+        "rows": ["B3", "B4", "B9", "B8"]
+    },
+    "processor": "STM32F103",
+    "rgb_matrix": {
+        "animations": {
+            "alphas_mods": true,
+            "band_pinwheel_sat": true,
+            "band_pinwheel_val": true,
+            "band_sat": true,
+            "band_spiral_sat": true,
+            "band_spiral_val": true,
+            "band_val": true,
+            "breathing": true,
+            "cycle_all": true,
+            "cycle_left_right": true,
+            "cycle_out_in": true,
+            "cycle_out_in_dual": true,
+            "cycle_pinwheel": true,
+            "cycle_spiral": true,
+            "cycle_up_down": true,
+            "digital_rain": true,
+            "dual_beacon": true,
+            "gradient_left_right": true,
+            "gradient_up_down": true,
+            "hue_breathing": true,
+            "hue_pendulum": true,
+            "hue_wave": true,
+            "jellybean_raindrops": true,
+            "multisplash": true,
+            "pixel_flow": true,
+            "pixel_fractal": true,
+            "pixel_rain": true,
+            "rainbow_beacon": true,
+            "rainbow_moving_chevron": true,
+            "rainbow_pinwheels": true,
+            "raindrops": true,
+            "solid_multisplash": true,
+            "solid_reactive": true,
+            "solid_reactive_cross": true,
+            "solid_reactive_multicross": true,
+            "solid_reactive_multinexus": true,
+            "solid_reactive_multiwide": true,
+            "solid_reactive_nexus": true,
+            "solid_reactive_simple": true,
+            "solid_reactive_wide": true,
+            "solid_splash": true,
+            "splash": true,
+            "typing_heatmap": true
+        },
+        "driver": "ws2812",
+        "layout": [
+            {"matrix": [0, 0], "x": 0, "y": 0, "flags": 1},
+            {"matrix": [0, 1], "x": 75, "y": 0, "flags": 1},
+            {"matrix": [0, 2], "x": 149, "y": 0, "flags": 1},
+            {"matrix": [0, 3], "x": 224, "y": 0, "flags": 1},
+            {"x": 112, "y": 64, "flags": 1},
+            {"x": 112, "y": 64, "flags": 1},
+            {"x": 112, "y": 64, "flags": 1},
+            {"x": 112, "y": 64, "flags": 1}
+        ],
+        "max_brightness": 200,
+        "sleep": true
+    },
+    "url": "",
+    "usb": {
+        "device_version": "0.0.1",
+        "pid": "0x3F01",
+        "vid": "0xD010"
+    },
+    "ws2812": {
+        "pin": "A10"
+    },
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"matrix": [3, 0], "x": 0, "y": 0},
+                {"matrix": [3, 1], "x": 1, "y": 0},
+                {"matrix": [3, 2], "x": 2, "y": 0},
+                {"matrix": [3, 3], "x": 6.5, "y": 0},
+                {"matrix": [3, 4], "x": 7.5, "y": 0},
+                {"matrix": [3, 5], "x": 8.5, "y": 0},
+                {"matrix": [0, 0], "x": 1, "y": 1.25},
+                {"matrix": [1, 0], "x": 4.25, "y": 1.25},
+                {"matrix": [2, 0], "x": 7.5, "y": 1.25},
+                {"matrix": [0, 3], "x": 0, "y": 2.25},
+                {"matrix": [0, 4], "x": 1, "y": 2.25, "encoder": 0},
+                {"matrix": [0, 1], "x": 2, "y": 2.25},
+                {"matrix": [1, 3], "x": 3.25, "y": 2.25},
+                {"matrix": [1, 4], "x": 4.25, "y": 2.25, "encoder": 1},
+                {"matrix": [1, 1], "x": 5.25, "y": 2.25},
+                {"matrix": [2, 3], "x": 6.5, "y": 2.25},
+                {"matrix": [2, 4], "x": 7.5, "y": 2.25, "encoder": 2},
+                {"matrix": [2, 1], "x": 8.5, "y": 2.25},
+                {"matrix": [0, 2], "x": 1, "y": 3.25},
+                {"matrix": [1, 2], "x": 4.25, "y": 3.25},
+                {"matrix": [2, 2], "x": 7.5, "y": 3.25}
+            ]
+        }
+    }
+}
\ No newline at end of file
diff --git a/keyboards/doio/kb3x/keymaps/default/keymap.c b/keyboards/doio/kb3x/keymaps/default/keymap.c
new file mode 100644
index 00000000000..934019e8cf5
--- /dev/null
+++ b/keyboards/doio/kb3x/keymaps/default/keymap.c
@@ -0,0 +1,51 @@
+/* Copyright 2022 DOIO
+ * Copyright 2022 DOIO2022 <https://github.com/DOIO2022>
+ *
+ * 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/>.
+ */
+
+ #include QMK_KEYBOARD_H
+
+enum layer_names {
+    _LAY0,
+    _LAY1,
+    _LAY2
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+    [_LAY0] = LAYOUT(
+            TO(1),      RGB_MOD,        RGB_TOG,        RGB_HUI,        RGB_VAD,        RGB_VAI,    
+                KC_MPLY,                                    KC_UP,                                      KC_UP,
+    KC_MNXT,    KC_TRNS,    KC_MPRV,        A(KC_LEFT),     KC_TRNS,    A(KC_RIGHT),        KC_RIGHT,   KC_TRNS,    KC_LEFT,
+                KC_MPLY,                                    KC_DOWN,                                    KC_DOWN),
+    [_LAY1] = LAYOUT(
+            TO(2),      KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,    
+                KC_WH_U,                                    S(KC_RBRC),                                 C(KC_L),
+    C(KC_WH_D), KC_TRNS,    C(KC_WH_U),     KC_DOT,         KC_TRNS,    KC_COMM,            C(KC_B),    KC_TRNS,    C(KC_U),
+                KC_WH_D,                                    S(KC_LBRC),                                 C(KC_M)),
+    [_LAY2] = LAYOUT(
+            TO(0),      KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,    
+                KC_B,                                       KC_UP,                                      S(KC_I),
+    KC_P,       KC_TRNS,    KC_H,           KC_RIGHT,       KC_TRNS,    KC_LEFT,            KC_O,       KC_TRNS,    KC_I,
+                KC_Y,                                       KC_DOWN,                                    S(KC_O))
+};
+
+#ifdef ENCODER_MAP_ENABLE
+const uint16_t PROGMEM encoder_map[][NUM_ENCODERS][NUM_DIRECTIONS] = {
+    [_LAY0] = { ENCODER_CCW_CW(C(KC_DOWN), C(KC_UP)), ENCODER_CCW_CW(C(KC_PMNS), C(KC_PPLS)), ENCODER_CCW_CW(KC_VOLD, KC_VOLU) },
+    [_LAY1] = { ENCODER_CCW_CW(C(KC_PMNS), C(KC_PPLS)), ENCODER_CCW_CW(KC_LBRC, KC_RBRC), ENCODER_CCW_CW(C(S(KC_U)), C(KC_I)) },
+    [_LAY2] = { ENCODER_CCW_CW(KC_C, KC_V), ENCODER_CCW_CW(KC_MINS, KC_EQL), ENCODER_CCW_CW(KC_J, KC_L) }
+};
+#endif
diff --git a/keyboards/doio/kb3x/keymaps/default/rules.mk b/keyboards/doio/kb3x/keymaps/default/rules.mk
new file mode 100644
index 00000000000..ee325681483
--- /dev/null
+++ b/keyboards/doio/kb3x/keymaps/default/rules.mk
@@ -0,0 +1 @@
+ENCODER_MAP_ENABLE = yes
diff --git a/keyboards/doio/kb3x/keymaps/via/keymap.c b/keyboards/doio/kb3x/keymaps/via/keymap.c
new file mode 100644
index 00000000000..5ebd1066a9f
--- /dev/null
+++ b/keyboards/doio/kb3x/keymaps/via/keymap.c
@@ -0,0 +1,73 @@
+/* Copyright 2022 DOIO
+ * Copyright 2022 DOIO2022 <https://github.com/DOIO2022>
+ *
+ * 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/>.
+ */
+
+ #include QMK_KEYBOARD_H
+
+enum layer_names {
+    _LAY0,
+    _LAY1,
+    _LAY2,
+    _LAY3,
+    _LAY4,
+    _LAY5
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+    [_LAY0] = LAYOUT(
+            TO(1),      RGB_MOD,        RGB_TOG,        RGB_HUI,        RGB_VAD,        RGB_VAI,    
+                KC_MPLY,                                    KC_UP,                                      KC_UP,
+    KC_MNXT,    KC_TRNS,    KC_MPRV,        A(KC_LEFT),     KC_TRNS,    A(KC_RIGHT),        KC_RIGHT,   KC_TRNS,    KC_LEFT,
+                KC_MPLY,                                    KC_DOWN,                                    KC_DOWN),
+    [_LAY1] = LAYOUT(
+            TO(2),      KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,    
+                KC_WH_U,                                    S(KC_RBRC),                                 C(KC_L),
+    C(KC_WH_D), KC_TRNS,    C(KC_WH_U),     KC_DOT,         KC_TRNS,    KC_COMM,            C(KC_B),    KC_TRNS,    C(KC_U),
+                KC_WH_D,                                    S(KC_LBRC),                                 C(KC_M)),
+    [_LAY2] = LAYOUT(
+            TO(3),      KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,    
+                KC_B,                                       KC_UP,                                      S(KC_I),
+    KC_P,       KC_TRNS,    KC_H,           KC_RIGHT,       KC_TRNS,    KC_LEFT,            KC_O,       KC_TRNS,    KC_I,
+                KC_Y,                                       KC_DOWN,                                    S(KC_O)),
+    [_LAY3] = LAYOUT(
+            TO(4),      KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,    
+                KC_TRNS,                                    KC_TRNS,                                    KC_TRNS,
+  KC_TRNS,      KC_TRNS,    KC_TRNS,        KC_TRNS,        KC_TRNS,    KC_TRNS,            KC_TRNS,    KC_TRNS,    KC_TRNS,
+                KC_TRNS,                                    KC_TRNS,                                    KC_TRNS),
+    [_LAY4] = LAYOUT(
+            TO(5),      KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,   
+                KC_TRNS,                                    KC_TRNS,                                    KC_TRNS,
+  KC_TRNS,      KC_TRNS,    KC_TRNS,        KC_TRNS,        KC_TRNS,    KC_TRNS,            KC_TRNS,    KC_TRNS,    KC_TRNS,
+                KC_TRNS,                                    KC_TRNS,                                    KC_TRNS),
+    [_LAY5] = LAYOUT(
+		   TO(0),      KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS,        KC_TRNS, 
+                KC_TRNS,                                    KC_TRNS,                                    KC_TRNS,
+  KC_TRNS,      KC_TRNS,    KC_TRNS,        KC_TRNS,        KC_TRNS,    KC_TRNS,            KC_TRNS,    KC_TRNS,    KC_TRNS,
+                KC_TRNS,                                    KC_TRNS,                                    KC_TRNS),
+
+};
+
+#ifdef ENCODER_MAP_ENABLE
+const uint16_t PROGMEM encoder_map[][NUM_ENCODERS][NUM_DIRECTIONS] = {
+    [_LAY0] = { ENCODER_CCW_CW(C(KC_DOWN), C(KC_UP)), ENCODER_CCW_CW(C(KC_PMNS), C(KC_PPLS)), ENCODER_CCW_CW(KC_VOLD, KC_VOLU) },
+    [_LAY1] = { ENCODER_CCW_CW(C(KC_PMNS), C(KC_PPLS)), ENCODER_CCW_CW(KC_LBRC, KC_RBRC), ENCODER_CCW_CW(C(S(KC_U)), C(KC_I)) },
+    [_LAY2] = { ENCODER_CCW_CW(KC_C, KC_V), ENCODER_CCW_CW(KC_MINS, KC_EQL), ENCODER_CCW_CW(KC_J, KC_L) },
+    [_LAY3] = { ENCODER_CCW_CW(KC_TRNS, KC_TRNS), ENCODER_CCW_CW(KC_TRNS, KC_TRNS), ENCODER_CCW_CW(KC_TRNS, KC_TRNS) },
+    [_LAY4] = { ENCODER_CCW_CW(KC_TRNS, KC_TRNS), ENCODER_CCW_CW(KC_TRNS, KC_TRNS), ENCODER_CCW_CW(KC_TRNS, KC_TRNS) },
+    [_LAY5] = { ENCODER_CCW_CW(KC_TRNS, KC_TRNS), ENCODER_CCW_CW(KC_TRNS, KC_TRNS), ENCODER_CCW_CW(KC_TRNS, KC_TRNS) },
+};
+#endif
diff --git a/keyboards/doio/kb3x/keymaps/via/rules.mk b/keyboards/doio/kb3x/keymaps/via/rules.mk
new file mode 100644
index 00000000000..f1adcab005e
--- /dev/null
+++ b/keyboards/doio/kb3x/keymaps/via/rules.mk
@@ -0,0 +1,2 @@
+VIA_ENABLE = yes
+ENCODER_MAP_ENABLE = yes
diff --git a/keyboards/doio/kb3x/readme.md b/keyboards/doio/kb3x/readme.md
new file mode 100644
index 00000000000..c27c983d496
--- /dev/null
+++ b/keyboards/doio/kb3x/readme.md
@@ -0,0 +1,26 @@
+# doio/kb3x
+
+![kb3x-01](https://i.imgur.com/6DvIu9Mh.png)
+
+QMK for DOIO Knob keypad .
+
+* Keyboard Maintainer: DOIO2022
+* Hardware Supported: DOIO Knob keypad
+
+Make example for this keyboard (after setting up your build environment):
+
+    make doio/kb3x:default
+
+Flashing example for this keyboard:
+
+    make doio/kb3x: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).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard
+* **Physical reset button**: Briefly press the button on the back of the PCB
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available
diff --git a/keyboards/doio/kb3x/rules.mk b/keyboards/doio/kb3x/rules.mk
new file mode 100644
index 00000000000..6e7633bfe01
--- /dev/null
+++ b/keyboards/doio/kb3x/rules.mk
@@ -0,0 +1 @@
+# This file intentionally left blank