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-rw-r--r--keyboards/doio/kb03/config.h9
-rw-r--r--keyboards/doio/kb03/halconf.h9
-rw-r--r--keyboards/doio/kb03/kb03.c64
-rw-r--r--keyboards/doio/kb03/keyboard.json96
-rw-r--r--keyboards/doio/kb03/keymaps/default/keymap.c44
-rw-r--r--keyboards/doio/kb03/keymaps/default/rules.mk1
-rw-r--r--keyboards/doio/kb03/mcuconf.h10
-rw-r--r--keyboards/doio/kb03/readme.md27
-rw-r--r--keyboards/doio/kb03/rules.mk2
9 files changed, 262 insertions, 0 deletions
diff --git a/keyboards/doio/kb03/config.h b/keyboards/doio/kb03/config.h
new file mode 100644
index 0000000000..f0f974d940
--- /dev/null
+++ b/keyboards/doio/kb03/config.h
@@ -0,0 +1,9 @@
+// Copyright (C) 2025 DOIO
+// Copyright (C) 2025 ClownFish (@clownfish-og)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define WS2812_PWM_CHANNEL 3
+#define WS2812_PWM_DRIVER PWMD1
+#define WS2812_PWM_DMA_STREAM STM32_DMA1_STREAM5
diff --git a/keyboards/doio/kb03/halconf.h b/keyboards/doio/kb03/halconf.h
new file mode 100644
index 0000000000..8c0968d792
--- /dev/null
+++ b/keyboards/doio/kb03/halconf.h
@@ -0,0 +1,9 @@
+// Copyright (C) 2025 DOIO
+// Copyright (C) 2025 ClownFish (@clownfish-og)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define HAL_USE_PWM TRUE
+
+#include_next <halconf.h>
diff --git a/keyboards/doio/kb03/kb03.c b/keyboards/doio/kb03/kb03.c
new file mode 100644
index 0000000000..9368bc5d41
--- /dev/null
+++ b/keyboards/doio/kb03/kb03.c
@@ -0,0 +1,64 @@
+// Copyright (C) 2025 DOIO
+// Copyright (C) 2025 ClownFish (@clownfish-og)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "quantum.h"
+
+#ifdef RGB_MATRIX_ENABLE
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+ if (!process_record_user(keycode, record)) {
+ return false;
+ }
+ switch (keycode) {
+ case RM_TOGG:
+ if (record->event.pressed) {
+ switch (rgb_matrix_get_flags()) {
+ case LED_FLAG_ALL: {
+ rgb_matrix_set_flags(LED_FLAG_NONE);
+ rgb_matrix_set_color_all(0, 0, 0);
+ } break;
+ default: {
+ rgb_matrix_set_flags(LED_FLAG_ALL);
+ } break;
+ }
+ }
+ if (!rgb_matrix_is_enabled()) {
+ rgb_matrix_set_flags(LED_FLAG_ALL);
+ rgb_matrix_enable();
+ }
+ return false;
+ }
+ return true;
+}
+
+bool rgb_matrix_indicators_kb(void) {
+ if (!rgb_matrix_indicators_user()) {
+ return false;
+ }
+
+ hsv_t hsv = {0, 255, 100};
+ switch (get_highest_layer(layer_state)) {
+ case 0:
+ hsv = (hsv_t){HSV_RED};
+ break;
+ case 1:
+ hsv = (hsv_t){HSV_GREEN};
+ break;
+ case 2:
+ hsv = (hsv_t){HSV_BLUE};
+ break;
+ case 3:
+ hsv = (hsv_t){HSV_WHITE};
+ break;
+ default:
+ hsv = (hsv_t){HSV_YELLOW};
+ break;
+ }
+ hsv.v = (rgb_matrix_get_val() * 70 / 200) + 30; //set indicator brightness range 30-100, vary based on RGB Matrix brightness
+ rgb_t rgb = hsv_to_rgb(hsv);
+ rgb_matrix_set_color(9, rgb.r, rgb.g, rgb.b);
+ return false;
+}
+
+#endif
diff --git a/keyboards/doio/kb03/keyboard.json b/keyboards/doio/kb03/keyboard.json
new file mode 100644
index 0000000000..d2a214c92f
--- /dev/null
+++ b/keyboards/doio/kb03/keyboard.json
@@ -0,0 +1,96 @@
+{
+ "manufacturer": "DOIO",
+ "keyboard_name": "KB03-01",
+ "maintainer": "clownfish-og",
+ "bootloader": "stm32duino",
+ "diode_direction": "COL2ROW",
+ "encoder": {
+ "rotary": [
+ {"pin_a": "B5", "pin_b": "B6", "resolution": 4},
+ {"pin_a": "A2", "pin_b": "A1", "resolution": 2}
+ ]
+ },
+ "features": {
+ "bootmagic": true,
+ "encoder": true,
+ "extrakey": true,
+ "mousekey": true,
+ "rgb_matrix": true
+ },
+ "matrix_pins": {
+ "cols": ["B14", "B13", "B12", "B0", "A7"],
+ "rows": ["B3"]
+ },
+ "processor": "STM32F103",
+ "rgb_matrix": {
+ "animations": {
+ "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,
+ "dual_beacon": true,
+ "gradient_left_right": true,
+ "gradient_up_down": true,
+ "hue_breathing": true,
+ "hue_wave": true,
+ "jellybean_raindrops": true,
+ "rainbow_beacon": true,
+ "rainbow_moving_chevron": true,
+ "rainbow_pinwheels": true,
+ "raindrops": true,
+ "solid_reactive": true,
+ "solid_reactive_cross": true,
+ "solid_reactive_nexus": true,
+ "solid_reactive_simple": true,
+ "solid_reactive_wide": true,
+ "solid_splash": true,
+ "splash": true
+ },
+ "driver": "ws2812",
+ "layout": [
+ {"matrix": [0, 0], "x": 0, "y": 0, "flags": 4},
+ {"matrix": [0, 1], "x": 112, "y": 0, "flags": 4},
+ {"matrix": [0, 2], "x": 224, "y": 0, "flags": 4},
+ {"x": 224, "y": 0, "flags": 2},
+ {"x": 0, "y": 0, "flags": 2},
+ {"x": 0, "y": 32, "flags": 2},
+ {"x": 0, "y": 64, "flags": 2},
+ {"x": 224, "y": 64, "flags": 2},
+ {"x": 224, "y": 32, "flags": 2},
+ {"x": 10, "y": 0, "flags": 8}
+ ],
+ "max_brightness": 200,
+ "sleep": true
+ },
+ "url": "https://www.keebmonkey.com/products/megalodon-dual-layer-knob-macro-pad",
+ "usb": {
+ "device_version": "0.0.1",
+ "pid": "0x0301",
+ "vid": "0xD010"
+ },
+ "ws2812": {
+ "pin": "A10",
+ "driver": "pwm"
+ },
+ "layouts": {
+ "LAYOUT": {
+ "layout": [
+ {"label": "Layers", "matrix": [0, 3], "x": 0.75, "y": 0, "h": 0.5},
+ {"label": "1!", "matrix": [0, 0], "x": 0, "y": 0.75},
+ {"label": "2@", "matrix": [0, 1], "x": 1, "y": 0.75},
+ {"label": "3#", "matrix": [0, 2], "x": 2, "y": 0.75},
+ {"label": "Encoder", "matrix": [0, 4], "x": 0.5, "y": 2, "w": 2, "h": 2}
+ ]
+ }
+ }
+}
diff --git a/keyboards/doio/kb03/keymaps/default/keymap.c b/keyboards/doio/kb03/keymaps/default/keymap.c
new file mode 100644
index 0000000000..67e43faca4
--- /dev/null
+++ b/keyboards/doio/kb03/keymaps/default/keymap.c
@@ -0,0 +1,44 @@
+// Copyright 2025 DOIO
+// Copyright 2025 ClownFish (@clownfish-og)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+enum my_layers {
+ _BASE,
+ _MOUSE,
+ _MEDIA,
+ _LIGHTS
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_BASE] = LAYOUT(
+ TO(_MOUSE),
+ KC_1, KC_2, KC_3,
+ KC_ENT
+ ),
+ [_MOUSE] = LAYOUT(
+ TO(_MEDIA),
+ MS_BTN1, MS_BTN3, MS_BTN2,
+ KC_LCTL
+ ),
+ [_MEDIA] = LAYOUT(
+ TO(_LIGHTS),
+ KC_MRWD, KC_MPLY, KC_MFFD,
+ KC_MUTE
+ ),
+ [_LIGHTS] = LAYOUT(
+ TO(_BASE),
+ RM_VALD, RM_NEXT, RM_VALU,
+ RM_TOGG
+ )
+};
+
+#ifdef ENCODER_MAP_ENABLE
+const uint16_t PROGMEM encoder_map[][NUM_ENCODERS][NUM_DIRECTIONS] = {
+ [_BASE] = { ENCODER_CCW_CW(MS_WHLU, MS_WHLD), ENCODER_CCW_CW(MS_WHLL, MS_WHLR) },
+ [_MOUSE] = { ENCODER_CCW_CW(MS_LEFT, MS_RGHT), ENCODER_CCW_CW(MS_UP, MS_DOWN) },
+ [_MEDIA] = { ENCODER_CCW_CW(KC_VOLD, KC_VOLU), ENCODER_CCW_CW(KC_MPRV, KC_MNXT) },
+ [_LIGHTS] = { ENCODER_CCW_CW(RM_SATD, RM_SATU), ENCODER_CCW_CW(RM_HUED, RM_HUEU) }
+};
+#endif
diff --git a/keyboards/doio/kb03/keymaps/default/rules.mk b/keyboards/doio/kb03/keymaps/default/rules.mk
new file mode 100644
index 0000000000..ee32568148
--- /dev/null
+++ b/keyboards/doio/kb03/keymaps/default/rules.mk
@@ -0,0 +1 @@
+ENCODER_MAP_ENABLE = yes
diff --git a/keyboards/doio/kb03/mcuconf.h b/keyboards/doio/kb03/mcuconf.h
new file mode 100644
index 0000000000..5869741c98
--- /dev/null
+++ b/keyboards/doio/kb03/mcuconf.h
@@ -0,0 +1,10 @@
+// Copyright (C) 2025 DOIO
+// Copyright (C) 2025 ClownFish (@clownfish-og)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include_next <mcuconf.h>
+
+#undef STM32_PWM_USE_TIM1
+#define STM32_PWM_USE_TIM1 TRUE
diff --git a/keyboards/doio/kb03/readme.md b/keyboards/doio/kb03/readme.md
new file mode 100644
index 0000000000..873ab2f38d
--- /dev/null
+++ b/keyboards/doio/kb03/readme.md
@@ -0,0 +1,27 @@
+# DOIO KB03-01
+
+![KB03-01](https://i.imgur.com/bnlDpkY.png)
+
+QMK for Megalodon DOIO Dual Layer Knob 3 Key macropad.
+
+* Keyboard Maintainer: [clownfish-og](https://github.com/clownfish-og)
+* Hardware Supported: DOIO KB03-01 using APM32F103CBT6 (clone STM32F103CBT6)
+* Hardware Availability: https://www.keebmonkey.com/products/megalodon-dual-layer-knob-macro-pad
+
+Make example for this keyboard (after setting up your build environment):
+
+ make doio/kb03:default
+
+Flashing example for this keyboard:
+
+ make doio/kb03: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 - some may have pads you must short instead
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available
diff --git a/keyboards/doio/kb03/rules.mk b/keyboards/doio/kb03/rules.mk
new file mode 100644
index 0000000000..6f0a3736a7
--- /dev/null
+++ b/keyboards/doio/kb03/rules.mk
@@ -0,0 +1,2 @@
+# Configure for 128K flash
+MCU_LDSCRIPT = STM32F103xB