diff --git a/keyboards/ai03/equinox_xl/keyboard.json b/keyboards/ai03/equinox_xl/keyboard.json
new file mode 100644
index 00000000000..e6abf4a0c21
--- /dev/null
+++ b/keyboards/ai03/equinox_xl/keyboard.json
@@ -0,0 +1,89 @@
+{
+    "manufacturer": "ai03 Design Studio",
+    "keyboard_name": "Equinox XL",
+    "maintainer": "ai03",
+    "bootloader": "atmel-dfu",
+    "build": {
+        "debounce_type": "asym_eager_defer_pk"
+    },
+    "diode_direction": "COL2ROW",
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true
+    },
+    "indicators": {
+        "caps_lock": "F1",
+        "on_state": 0
+    },
+    "matrix_pins": {
+        "cols": ["F5", "C7", "C6", "B6", "B5", "B4", "D7", "D6", "D4", "D5", "D3", "D2", "D1", "D0"],
+        "rows": ["B7", "F4", "F6", "F7"]
+    },
+    "processor": "atmega32u4",
+    "url": "https://ai03.com/projects/equinox-xl/",
+    "usb": {
+        "device_version": "0.0.1",
+        "pid": "0x0020",
+        "vid": "0xA103"
+    },
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"matrix": [0, 0], "x": 0, "y": 0, "w": 1.5},
+                {"matrix": [0, 1], "x": 1.5, "y": 0},
+                {"matrix": [0, 2], "x": 2.5, "y": 0},
+                {"matrix": [0, 3], "x": 3.5, "y": 0},
+                {"matrix": [0, 4], "x": 4.5, "y": 0},
+                {"matrix": [0, 5], "x": 5.5, "y": 0},
+                {"matrix": [0, 6], "x": 6.5, "y": 0},
+                {"matrix": [0, 7], "x": 7.5, "y": 0},
+                {"matrix": [0, 8], "x": 8.5, "y": 0},
+                {"matrix": [0, 9], "x": 9.5, "y": 0},
+                {"matrix": [0, 10], "x": 10.5, "y": 0},
+                {"matrix": [0, 11], "x": 11.5, "y": 0},
+                {"matrix": [0, 12], "x": 12.5, "y": 0},
+                {"matrix": [0, 13], "x": 13.5, "y": 0, "w": 1.5},
+                {"matrix": [1, 0], "x": 0, "y": 1, "w": 1.75},
+                {"matrix": [1, 1], "x": 1.75, "y": 1},
+                {"matrix": [1, 2], "x": 2.75, "y": 1},
+                {"matrix": [1, 3], "x": 3.75, "y": 1},
+                {"matrix": [1, 4], "x": 4.75, "y": 1},
+                {"matrix": [1, 5], "x": 5.75, "y": 1},
+                {"matrix": [1, 6], "x": 6.75, "y": 1},
+                {"matrix": [1, 7], "x": 7.75, "y": 1},
+                {"matrix": [1, 8], "x": 8.75, "y": 1},
+                {"matrix": [1, 9], "x": 9.75, "y": 1},
+                {"matrix": [1, 10], "x": 10.75, "y": 1},
+                {"matrix": [1, 11], "x": 11.75, "y": 1},
+                {"matrix": [1, 13], "x": 12.75, "y": 1, "w": 2.25},
+                {"matrix": [2, 0], "x": 0, "y": 2, "w": 1.25},
+                {"matrix": [2, 1], "x": 1.25, "y": 2},
+                {"matrix": [2, 2], "x": 2.25, "y": 2},
+                {"matrix": [2, 3], "x": 3.25, "y": 2},
+                {"matrix": [2, 4], "x": 4.25, "y": 2},
+                {"matrix": [2, 5], "x": 5.25, "y": 2},
+                {"matrix": [2, 6], "x": 6.25, "y": 2},
+                {"matrix": [2, 7], "x": 7.25, "y": 2},
+                {"matrix": [2, 8], "x": 8.25, "y": 2},
+                {"matrix": [2, 9], "x": 9.25, "y": 2},
+                {"matrix": [2, 10], "x": 10.25, "y": 2},
+                {"matrix": [2, 11], "x": 11.25, "y": 2},
+                {"matrix": [2, 12], "x": 12.25, "y": 2, "w": 1.75},
+                {"matrix": [2, 13], "x": 14, "y": 2},
+                {"matrix": [3, 0], "x": 0, "y": 3, "w": 1.5},
+                {"matrix": [3, 1], "x": 1.5, "y": 3},
+                {"matrix": [3, 2], "x": 2.5, "y": 3, "w": 1.5},
+                {"matrix": [3, 5], "x": 4, "y": 3, "w": 3},
+                {"matrix": [3, 7], "x": 7, "y": 3},
+                {"matrix": [3, 9], "x": 8, "y": 3, "w": 3},
+                {"matrix": [3, 11], "x": 11, "y": 3, "w": 1.5},
+                {"matrix": [3, 12], "x": 12.5, "y": 3},
+                {"matrix": [3, 13], "x": 13.5, "y": 3, "w": 1.5}
+            ]
+        }
+    }
+}
diff --git a/keyboards/ai03/equinox_xl/keymaps/default/keymap.c b/keyboards/ai03/equinox_xl/keymaps/default/keymap.c
new file mode 100644
index 00000000000..be2f1cb7e0b
--- /dev/null
+++ b/keyboards/ai03/equinox_xl/keymaps/default/keymap.c
@@ -0,0 +1,15 @@
+// Copyright 2024 ai03
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+	[0] = LAYOUT(
+		KC_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSPC,
+		KC_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,
+		KC_LSFT, KC_NUBS, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, KC_GRV,
+		KC_LCTL, KC_LGUI, KC_LALT,          KC_SPC,           KC_SPC,           KC_SPC,                    KC_RALT, KC_RGUI, KC_RCTL
+	),
+
+};
diff --git a/keyboards/ai03/equinox_xl/keymaps/via/keymap.c b/keyboards/ai03/equinox_xl/keymaps/via/keymap.c
new file mode 100644
index 00000000000..be2f1cb7e0b
--- /dev/null
+++ b/keyboards/ai03/equinox_xl/keymaps/via/keymap.c
@@ -0,0 +1,15 @@
+// Copyright 2024 ai03
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+	[0] = LAYOUT(
+		KC_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSPC,
+		KC_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,
+		KC_LSFT, KC_NUBS, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, KC_GRV,
+		KC_LCTL, KC_LGUI, KC_LALT,          KC_SPC,           KC_SPC,           KC_SPC,                    KC_RALT, KC_RGUI, KC_RCTL
+	),
+
+};
diff --git a/keyboards/ai03/equinox_xl/keymaps/via/rules.mk b/keyboards/ai03/equinox_xl/keymaps/via/rules.mk
new file mode 100644
index 00000000000..1e5b99807cb
--- /dev/null
+++ b/keyboards/ai03/equinox_xl/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
diff --git a/keyboards/ai03/equinox_xl/readme.md b/keyboards/ai03/equinox_xl/readme.md
new file mode 100644
index 00000000000..84ceef68090
--- /dev/null
+++ b/keyboards/ai03/equinox_xl/readme.md
@@ -0,0 +1,28 @@
+# Equinox XL
+
+![Cover image](https://i.imgur.com/sQpe0Zv.jpg)
+
+A numrowless 50% keyboard  
+
+* Keyboard Maintainer: [ai03](https://github.com/ai03-2725)
+* Hardware Supported: The Equinox XL PCB, powered by the Atmega32u4
+* Hardware Availability: Available via group buy
+
+
+Make example for this keyboard (after setting up your build environment):
+
+    make ai03/equinox_xl:default
+
+Flashing example for this keyboard:
+
+    make ai03/equinox_xl: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**: Press the reset button on the back of the PCB
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available