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-rw-r--r--keyboards/keebio/demod_lm/info.json8
-rw-r--r--keyboards/keebio/demod_lm/keymaps/default/keymap.json12
-rw-r--r--keyboards/keebio/demod_lm/readme.md24
-rw-r--r--keyboards/keebio/demod_lm/rev1/config.h12
-rw-r--r--keyboards/keebio/demod_lm/rev1/halconf.h8
-rw-r--r--keyboards/keebio/demod_lm/rev1/keyboard.json117
-rw-r--r--keyboards/keebio/demod_lm/rev1/mcuconf.h10
-rw-r--r--keyboards/keebio/demod_lm/rev1/rev1.c11
8 files changed, 202 insertions, 0 deletions
diff --git a/keyboards/keebio/demod_lm/info.json b/keyboards/keebio/demod_lm/info.json
new file mode 100644
index 0000000000..64fa5a05ca
--- /dev/null
+++ b/keyboards/keebio/demod_lm/info.json
@@ -0,0 +1,8 @@
+{
+ "manufacturer": "Keebio",
+ "maintainer": "Keebio",
+ "url": "https://keeb.io",
+ "usb": {
+ "vid": "0xCB10"
+ }
+}
diff --git a/keyboards/keebio/demod_lm/keymaps/default/keymap.json b/keyboards/keebio/demod_lm/keymaps/default/keymap.json
new file mode 100644
index 0000000000..9115271b3d
--- /dev/null
+++ b/keyboards/keebio/demod_lm/keymaps/default/keymap.json
@@ -0,0 +1,12 @@
+{
+ "keyboard": "keebio/demod_lm/rev1",
+ "keymap": "default",
+ "layout": "LAYOUT_numpad_5x4",
+ "layers": [
+ ["RM_NEXT", "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/keebio/demod_lm/readme.md b/keyboards/keebio/demod_lm/readme.md
new file mode 100644
index 0000000000..c9233d0961
--- /dev/null
+++ b/keyboards/keebio/demod_lm/readme.md
@@ -0,0 +1,24 @@
+# Demod LM
+
+A low-profile number pad and sold by Keebio. [More info at Keebio](https://keeb.io).
+
+* Keyboard Maintainer: [Bakingpy/nooges](https://github.com/nooges)
+* Hardware Supported: Demod LM PCB with STM32G431 microcontroller
+* Hardware Availability: [Keebio](https://keeb.io)
+
+Make example for this keyboard (after setting up your build environment):
+
+ make keebio/demod_lm/rev1:default
+
+Example of flashing this keyboard:
+
+ make keebio/demod_lm/rev1: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 one of two ways:
+
+* **Physical reset button**: Press and hold the button on the back of the PCB for at least 1 second and let go
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available
diff --git a/keyboards/keebio/demod_lm/rev1/config.h b/keyboards/keebio/demod_lm/rev1/config.h
new file mode 100644
index 0000000000..fae0576081
--- /dev/null
+++ b/keyboards/keebio/demod_lm/rev1/config.h
@@ -0,0 +1,12 @@
+// Copyright 2025 Danny Nguyen (@nooges)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+/* Defines for the RGB matrix */
+#define WS2812_PWM_DRIVER PWMD3
+#define WS2812_PWM_CHANNEL 3
+#define WS2812_PWM_PAL_MODE 2
+#define WS2812_DMA_STREAM STM32_DMA1_STREAM2
+#define WS2812_DMA_CHANNEL 2
+#define WS2812_DMAMUX_ID STM32_DMAMUX1_TIM3_UP
diff --git a/keyboards/keebio/demod_lm/rev1/halconf.h b/keyboards/keebio/demod_lm/rev1/halconf.h
new file mode 100644
index 0000000000..0249d61fea
--- /dev/null
+++ b/keyboards/keebio/demod_lm/rev1/halconf.h
@@ -0,0 +1,8 @@
+// Copyright 2024 Danny Nguyen (@nooges)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define HAL_USE_PWM TRUE
+
+#include_next <halconf.h>
diff --git a/keyboards/keebio/demod_lm/rev1/keyboard.json b/keyboards/keebio/demod_lm/rev1/keyboard.json
new file mode 100644
index 0000000000..ac35998852
--- /dev/null
+++ b/keyboards/keebio/demod_lm/rev1/keyboard.json
@@ -0,0 +1,117 @@
+{
+ "keyboard_name": "Demod LM Rev. 1",
+ "bootloader": "stm32-dfu",
+ "diode_direction": "COL2ROW",
+ "features": {
+ "bootmagic": true,
+ "extrakey": true,
+ "mousekey": true,
+ "rgb_matrix": true
+ },
+ "matrix_pins": {
+ "cols": ["A1", "A0", "B3", "B6"],
+ "rows": ["A15", "F0", "B4", "B5", "F1"]
+ },
+ "processor": "STM32G431",
+ "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": 88, "y": 0, "flags": 4},
+ {"matrix": [0, 1], "x": 104, "y": 0, "flags": 4},
+ {"matrix": [0, 2], "x": 120, "y": 0, "flags": 4},
+ {"matrix": [0, 3], "x": 136, "y": 0, "flags": 4},
+ {"matrix": [1, 3], "x": 136, "y": 24, "flags": 4},
+ {"matrix": [1, 2], "x": 120, "y": 16, "flags": 4},
+ {"matrix": [1, 1], "x": 104, "y": 16, "flags": 4},
+ {"matrix": [1, 0], "x": 88, "y": 16, "flags": 4},
+ {"matrix": [2, 0], "x": 88, "y": 32, "flags": 4},
+ {"matrix": [2, 1], "x": 104, "y": 32, "flags": 4},
+ {"matrix": [2, 2], "x": 120, "y": 32, "flags": 4},
+ {"matrix": [3, 2], "x": 120, "y": 48, "flags": 4},
+ {"matrix": [3, 1], "x": 104, "y": 48, "flags": 4},
+ {"matrix": [3, 0], "x": 88, "y": 48, "flags": 4},
+ {"matrix": [4, 0], "x": 96, "y": 64, "flags": 4},
+ {"matrix": [4, 2], "x": 120, "y": 64, "flags": 4},
+ {"matrix": [3, 3], "x": 136, "y": 56, "flags": 4}
+ ],
+ "max_brightness": 200,
+ "sleep": true
+ },
+ "usb": {
+ "device_version": "1.0.0",
+ "pid": "0x1654"
+ },
+ "ws2812": {
+ "driver": "pwm",
+ "pin": "B0"
+ },
+ "community_layouts": ["numpad_5x4"],
+ "layouts": {
+ "LAYOUT_numpad_5x4": {
+ "layout": [
+ {"matrix": [0, 0], "x": 0, "y": 0},
+ {"matrix": [0, 1], "x": 1, "y": 0},
+ {"matrix": [0, 2], "x": 2, "y": 0},
+ {"matrix": [0, 3], "x": 3, "y": 0},
+ {"matrix": [1, 0], "x": 0, "y": 1},
+ {"matrix": [1, 1], "x": 1, "y": 1},
+ {"matrix": [1, 2], "x": 2, "y": 1},
+ {"matrix": [2, 0], "x": 0, "y": 2},
+ {"matrix": [2, 1], "x": 1, "y": 2},
+ {"matrix": [2, 2], "x": 2, "y": 2},
+ {"matrix": [1, 3], "x": 3, "y": 1, "h": 2},
+ {"matrix": [3, 0], "x": 0, "y": 3},
+ {"matrix": [3, 1], "x": 1, "y": 3},
+ {"matrix": [3, 2], "x": 2, "y": 3},
+ {"matrix": [4, 0], "x": 0, "y": 4, "w": 2},
+ {"matrix": [4, 2], "x": 2, "y": 4},
+ {"matrix": [3, 3], "x": 3, "y": 3, "h": 2}
+ ]
+ }
+ }
+}
diff --git a/keyboards/keebio/demod_lm/rev1/mcuconf.h b/keyboards/keebio/demod_lm/rev1/mcuconf.h
new file mode 100644
index 0000000000..a864dab31e
--- /dev/null
+++ b/keyboards/keebio/demod_lm/rev1/mcuconf.h
@@ -0,0 +1,10 @@
+// Copyright 2024 Danny Nguyen (@nooges)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include_next <mcuconf.h>
+
+/* enable TIM3, used for RGB LED PWM driver */
+#undef STM32_PWM_USE_TIM3
+#define STM32_PWM_USE_TIM3 TRUE
diff --git a/keyboards/keebio/demod_lm/rev1/rev1.c b/keyboards/keebio/demod_lm/rev1/rev1.c
new file mode 100644
index 0000000000..7843a900a3
--- /dev/null
+++ b/keyboards/keebio/demod_lm/rev1/rev1.c
@@ -0,0 +1,11 @@
+// Copyright 2024 Danny Nguyen (@nooges)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "quantum.h"
+
+void keyboard_pre_init_kb(void) {
+ // Disable the PD peripheral in pre-init because its pins (B4, B6) are being used in the matrix:
+ PWR->CR3 |= PWR_CR3_UCPD_DBDIS;
+ // Call the corresponding _user() function (see https://docs.qmk.fm/#/custom_quantum_functions)
+ keyboard_pre_init_user();
+}
generated by cgit v1.2.3 (git 2.39.1) at 2026-04-14 22:58:58 +0200