[Keyboard] Add XT87 (#21201)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: jack <0x6a73@protonmail.com>

7 files changed, 1027 insertions, 0 deletions

diff --git a/keyboards/kopibeng/xt87/chconf.h b/keyboards/kopibeng/xt87/chconf.h
new file mode 100644
index 0000000000..4cb041153f
--- /dev/null
+++ b/keyboards/kopibeng/xt87/chconf.h
@@ -0,0 +1,31 @@
+/* Copyright 2023 QMK
+ *
+ * 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/>.
+ */
+
+/*
+ * This file was auto-generated by:
+ *    `qmk chibios-confmigrate -i keyboards/kopibeng/xt8x/chconf.h -r platforms/chibios/common/configs/chconf.h`
+ */
+
+#pragma once
+
+#define CH_CFG_ST_FREQUENCY 10000
+
+#define CH_CFG_OPTIMIZE_SPEED FALSE
+
+#define CH_CFG_USE_CONDVARS_TIMEOUT FALSE
+
+#include_next <chconf.h>
+
diff --git a/keyboards/kopibeng/xt87/info.json b/keyboards/kopibeng/xt87/info.json
new file mode 100644
index 0000000000..8447d40815
--- /dev/null
+++ b/keyboards/kopibeng/xt87/info.json
@@ -0,0 +1,886 @@
+{
+    "keyboard_name": "XT87",
+    "manufacturer": "kopibeng",
+    "url": "https://monokei.co/",
+    "maintainer": "kopibeng",
+    "processor": "STM32F072",
+    "bootloader": "stm32-dfu",
+    "usb": {
+        "device_version": "0.0.1",
+        "pid": "0x8700",
+        "vid": "0x4B50"
+    },
+    "diode_direction": "COL2ROW",
+    "features": {
+        "bootmagic": true,
+        "command": true,
+        "console": true,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true,
+        "rgblight": true
+    },
+    "matrix_pins": {
+        "cols": ["A2", "A1", "A0", "B11", "B10", "B2", "F1", "B1", "B0", "A7", "A6", "A5", "F0", "A4", "C15", "C14", "C13"],
+        "rows": ["A8", "B15", "A9", "B12", "A3", "B14"]
+    },
+    "indicators": {
+        "caps_lock": "B3",
+        "scroll_lock": "A15"
+    },
+    "rgblight": {
+        "animations": {
+            "alternating": true,
+            "breathing": true,
+            "christmas": true,
+            "knight": true,
+            "rainbow_mood": true,
+            "rainbow_swirl": true,
+            "rgb_test": true,
+            "snake": true,
+            "static_gradient": true,
+            "twinkle": true
+        },
+        "brightness_steps": 8,
+        "led_count": 19,
+        "max_brightness": 200,
+        "saturation_steps": 8,
+        "sleep": true
+    },
+    "ws2812": {
+        "pin": "A10"
+    },
+    "community_layouts": ["tkl_ansi", "tkl_ansi_split_bs_rshift", "tkl_ansi_tsangan", "tkl_ansi_tsangan_split_bs_rshift", "tkl_iso", "tkl_iso_split_bs_rshift", "tkl_iso_tsangan", "tkl_iso_tsangan_split_bs_rshift"],
+    "layouts": {
+        "LAYOUT_all": {
+            "layout": [
+                { "matrix": [0, 0], "x": 0, "y": 0 },
+                { "matrix": [0, 2], "x": 2.25, "y": 0 },
+                { "matrix": [0, 3], "x": 3.25, "y": 0 },
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+                { "matrix": [0, 15], "x": 16.25, "y": 0 },
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+                { "matrix": [4, 16], "x": 17.25, "y": 5.25 }
+            ]
+        },
+        "LAYOUT_tkl_ansi": {
+            "layout": [
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+                { "matrix": [4, 16], "x": 17.25, "y": 5.25 }
+            ]
+        },
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+                { "matrix": [0, 13], "x": 14, "y": 0 },
+                { "matrix": [0, 14], "x": 15.25, "y": 0 },
+                { "matrix": [0, 15], "x": 16.25, "y": 0 },
+                { "matrix": [0, 16], "x": 17.25, "y": 0 },
+                { "matrix": [1, 0], "x": 0, "y": 1.25 },
+                { "matrix": [1, 1], "x": 1, "y": 1.25 },
+                { "matrix": [1, 2], "x": 2, "y": 1.25 },
+                { "matrix": [1, 3], "x": 3, "y": 1.25 },
+                { "matrix": [1, 4], "x": 4, "y": 1.25 },
+                { "matrix": [1, 5], "x": 5, "y": 1.25 },
+                { "matrix": [1, 6], "x": 6, "y": 1.25 },
+                { "matrix": [1, 7], "x": 7, "y": 1.25 },
+                { "matrix": [1, 8], "x": 8, "y": 1.25 },
+                { "matrix": [1, 9], "x": 9, "y": 1.25 },
+                { "matrix": [1, 10], "x": 10, "y": 1.25 },
+                { "matrix": [1, 11], "x": 11, "y": 1.25 },
+                { "matrix": [1, 12], "x": 12, "y": 1.25 },
+                { "matrix": [2, 12], "x": 13, "y": 1.25 },
+                { "matrix": [1, 13], "x": 14, "y": 1.25 },
+                { "matrix": [1, 14], "x": 15.25, "y": 1.25 },
+                { "matrix": [1, 15], "x": 16.25, "y": 1.25 },
+                { "matrix": [1, 16], "x": 17.25, "y": 1.25 },
+                { "matrix": [2, 0], "w": 1.5, "x": 0, "y": 2.25 },
+                { "matrix": [2, 1], "x": 1.5, "y": 2.25 },
+                { "matrix": [2, 2], "x": 2.5, "y": 2.25 },
+                { "matrix": [2, 3], "x": 3.5, "y": 2.25 },
+                { "matrix": [2, 4], "x": 4.5, "y": 2.25 },
+                { "matrix": [2, 5], "x": 5.5, "y": 2.25 },
+                { "matrix": [2, 6], "x": 6.5, "y": 2.25 },
+                { "matrix": [2, 7], "x": 7.5, "y": 2.25 },
+                { "matrix": [2, 8], "x": 8.5, "y": 2.25 },
+                { "matrix": [2, 9], "x": 9.5, "y": 2.25 },
+                { "matrix": [2, 10], "x": 10.5, "y": 2.25 },
+                { "matrix": [2, 11], "x": 11.5, "y": 2.25 },
+                { "matrix": [3, 12], "x": 12.5, "y": 2.25 },
+                { "h": 2, "matrix": [2, 13], "w": 1.25, "x": 13.75, "y": 2.25 },
+                { "matrix": [2, 14], "x": 15.25, "y": 2.25 },
+                { "matrix": [2, 15], "x": 16.25, "y": 2.25 },
+                { "matrix": [2, 16], "x": 17.25, "y": 2.25 },
+                { "matrix": [3, 0], "w": 1.75, "x": 0, "y": 3.25 },
+                { "matrix": [3, 1], "x": 1.75, "y": 3.25 },
+                { "matrix": [3, 2], "x": 2.75, "y": 3.25 },
+                { "matrix": [3, 3], "x": 3.75, "y": 3.25 },
+                { "matrix": [3, 4], "x": 4.75, "y": 3.25 },
+                { "matrix": [3, 5], "x": 5.75, "y": 3.25 },
+                { "matrix": [3, 6], "x": 6.75, "y": 3.25 },
+                { "matrix": [3, 7], "x": 7.75, "y": 3.25 },
+                { "matrix": [3, 8], "x": 8.75, "y": 3.25 },
+                { "matrix": [3, 9], "x": 9.75, "y": 3.25 },
+                { "matrix": [3, 10], "x": 10.75, "y": 3.25 },
+                { "matrix": [3, 11], "x": 11.75, "y": 3.25 },
+                { "matrix": [3, 13], "x": 12.75, "y": 3.25 },
+                { "matrix": [4, 0], "w": 1.25, "x": 0, "y": 4.25 },
+                { "matrix": [4, 1], "x": 1.25, "y": 4.25 },
+                { "matrix": [4, 2], "x": 2.25, "y": 4.25 },
+                { "matrix": [4, 3], "x": 3.25, "y": 4.25 },
+                { "matrix": [4, 4], "x": 4.25, "y": 4.25 },
+                { "matrix": [4, 5], "x": 5.25, "y": 4.25 },
+                { "matrix": [4, 6], "x": 6.25, "y": 4.25 },
+                { "matrix": [4, 7], "x": 7.25, "y": 4.25 },
+                { "matrix": [4, 8], "x": 8.25, "y": 4.25 },
+                { "matrix": [4, 9], "x": 9.25, "y": 4.25 },
+                { "matrix": [4, 10], "x": 10.25, "y": 4.25 },
+                { "matrix": [4, 11], "x": 11.25, "y": 4.25 },
+                { "matrix": [4, 12], "w": 1.75, "x": 12.25, "y": 4.25 },
+                { "matrix": [4, 13], "x": 14, "y": 4.25 },
+                { "matrix": [4, 15], "x": 16.25, "y": 4.25 },
+                { "matrix": [5, 0], "w": 1.25, "x": 0, "y": 5.25 },
+                { "matrix": [5, 1], "w": 1.25, "x": 1.25, "y": 5.25 },
+                { "matrix": [5, 2], "w": 1.25, "x": 2.5, "y": 5.25 },
+                { "matrix": [5, 6], "w": 6.25, "x": 3.75, "y": 5.25 },
+                { "matrix": [5, 10], "w": 1.25, "x": 10, "y": 5.25 },
+                { "matrix": [5, 11], "w": 1.25, "x": 11.25, "y": 5.25 },
+                { "matrix": [5, 12], "w": 1.25, "x": 12.5, "y": 5.25 },
+                { "matrix": [5, 13], "w": 1.25, "x": 13.75, "y": 5.25 },
+                { "matrix": [5, 14], "x": 15.25, "y": 5.25 },
+                { "matrix": [5, 15], "x": 16.25, "y": 5.25 },
+                { "matrix": [4, 16], "x": 17.25, "y": 5.25 }
+            ]
+        },
+        "LAYOUT_tkl_iso_tsangan": {
+            "layout": [
+                { "matrix": [0, 0], "x": 0, "y": 0 },
+                { "matrix": [0, 2], "x": 2.25, "y": 0 },
+                { "matrix": [0, 3], "x": 3.25, "y": 0 },
+                { "matrix": [0, 4], "x": 4.25, "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": 9.75, "y": 0 },
+                { "matrix": [0, 10], "x": 10.75, "y": 0 },
+                { "matrix": [0, 11], "x": 11.75, "y": 0 },
+                { "matrix": [0, 12], "x": 12.75, "y": 0 },
+                { "matrix": [0, 13], "x": 14, "y": 0 },
+                { "matrix": [0, 14], "x": 15.25, "y": 0 },
+                { "matrix": [0, 15], "x": 16.25, "y": 0 },
+                { "matrix": [0, 16], "x": 17.25, "y": 0 },
+                { "matrix": [1, 0], "x": 0, "y": 1.25 },
+                { "matrix": [1, 1], "x": 1, "y": 1.25 },
+                { "matrix": [1, 2], "x": 2, "y": 1.25 },
+                { "matrix": [1, 3], "x": 3, "y": 1.25 },
+                { "matrix": [1, 4], "x": 4, "y": 1.25 },
+                { "matrix": [1, 5], "x": 5, "y": 1.25 },
+                { "matrix": [1, 6], "x": 6, "y": 1.25 },
+                { "matrix": [1, 7], "x": 7, "y": 1.25 },
+                { "matrix": [1, 8], "x": 8, "y": 1.25 },
+                { "matrix": [1, 9], "x": 9, "y": 1.25 },
+                { "matrix": [1, 10], "x": 10, "y": 1.25 },
+                { "matrix": [1, 11], "x": 11, "y": 1.25 },
+                { "matrix": [1, 12], "x": 12, "y": 1.25 },
+                { "matrix": [1, 13], "w": 2, "x": 13, "y": 1.25 },
+                { "matrix": [1, 14], "x": 15.25, "y": 1.25 },
+                { "matrix": [1, 15], "x": 16.25, "y": 1.25 },
+                { "matrix": [1, 16], "x": 17.25, "y": 1.25 },
+                { "matrix": [2, 0], "w": 1.5, "x": 0, "y": 2.25 },
+                { "matrix": [2, 1], "x": 1.5, "y": 2.25 },
+                { "matrix": [2, 2], "x": 2.5, "y": 2.25 },
+                { "matrix": [2, 3], "x": 3.5, "y": 2.25 },
+                { "matrix": [2, 4], "x": 4.5, "y": 2.25 },
+                { "matrix": [2, 5], "x": 5.5, "y": 2.25 },
+                { "matrix": [2, 6], "x": 6.5, "y": 2.25 },
+                { "matrix": [2, 7], "x": 7.5, "y": 2.25 },
+                { "matrix": [2, 8], "x": 8.5, "y": 2.25 },
+                { "matrix": [2, 9], "x": 9.5, "y": 2.25 },
+                { "matrix": [2, 10], "x": 10.5, "y": 2.25 },
+                { "matrix": [2, 11], "x": 11.5, "y": 2.25 },
+                { "matrix": [3, 12], "x": 12.5, "y": 2.25 },
+                { "h": 2, "matrix": [2, 13], "w": 1.25, "x": 13.75, "y": 2.25 },
+                { "matrix": [2, 14], "x": 15.25, "y": 2.25 },
+                { "matrix": [2, 15], "x": 16.25, "y": 2.25 },
+                { "matrix": [2, 16], "x": 17.25, "y": 2.25 },
+                { "matrix": [3, 0], "w": 1.75, "x": 0, "y": 3.25 },
+                { "matrix": [3, 1], "x": 1.75, "y": 3.25 },
+                { "matrix": [3, 2], "x": 2.75, "y": 3.25 },
+                { "matrix": [3, 3], "x": 3.75, "y": 3.25 },
+                { "matrix": [3, 4], "x": 4.75, "y": 3.25 },
+                { "matrix": [3, 5], "x": 5.75, "y": 3.25 },
+                { "matrix": [3, 6], "x": 6.75, "y": 3.25 },
+                { "matrix": [3, 7], "x": 7.75, "y": 3.25 },
+                { "matrix": [3, 8], "x": 8.75, "y": 3.25 },
+                { "matrix": [3, 9], "x": 9.75, "y": 3.25 },
+                { "matrix": [3, 10], "x": 10.75, "y": 3.25 },
+                { "matrix": [3, 11], "x": 11.75, "y": 3.25 },
+                { "matrix": [3, 13], "x": 12.75, "y": 3.25 },
+                { "matrix": [4, 0], "w": 1.25, "x": 0, "y": 4.25 },
+                { "matrix": [4, 1], "x": 1.25, "y": 4.25 },
+                { "matrix": [4, 2], "x": 2.25, "y": 4.25 },
+                { "matrix": [4, 3], "x": 3.25, "y": 4.25 },
+                { "matrix": [4, 4], "x": 4.25, "y": 4.25 },
+                { "matrix": [4, 5], "x": 5.25, "y": 4.25 },
+                { "matrix": [4, 6], "x": 6.25, "y": 4.25 },
+                { "matrix": [4, 7], "x": 7.25, "y": 4.25 },
+                { "matrix": [4, 8], "x": 8.25, "y": 4.25 },
+                { "matrix": [4, 9], "x": 9.25, "y": 4.25 },
+                { "matrix": [4, 10], "x": 10.25, "y": 4.25 },
+                { "matrix": [4, 11], "x": 11.25, "y": 4.25 },
+                { "matrix": [4, 12], "w": 2.75, "x": 12.25, "y": 4.25 },
+                { "matrix": [4, 15], "x": 16.25, "y": 4.25 },
+                { "matrix": [5, 0], "w": 1.5, "x": 0, "y": 5.25 },
+                { "matrix": [5, 1], "w": 1, "x": 1.5, "y": 5.25 },
+                { "matrix": [5, 2], "w": 1.5, "x": 2.5, "y": 5.25 },
+                { "matrix": [5, 6], "w": 7, "x": 4, "y": 5.25 },
+                { "matrix": [5, 11], "w": 1.5, "x": 11, "y": 5.25 },
+                { "matrix": [5, 12], "w": 1, "x": 12.5, "y": 5.25 },
+                { "matrix": [5, 13], "w": 1.5, "x": 13.5, "y": 5.25 },
+                { "matrix": [5, 14], "x": 15.25, "y": 5.25 },
+                { "matrix": [5, 15], "x": 16.25, "y": 5.25 },
+                { "matrix": [4, 16], "x": 17.25, "y": 5.25 }
+            ]
+        },
+        "LAYOUT_tkl_iso_tsangan_split_bs_rshift": {
+            "layout": [
+                { "matrix": [0, 0], "x": 0, "y": 0 },
+                { "matrix": [0, 2], "x": 2.25, "y": 0 },
+                { "matrix": [0, 3], "x": 3.25, "y": 0 },
+                { "matrix": [0, 4], "x": 4.25, "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": 9.75, "y": 0 },
+                { "matrix": [0, 10], "x": 10.75, "y": 0 },
+                { "matrix": [0, 11], "x": 11.75, "y": 0 },
+                { "matrix": [0, 12], "x": 12.75, "y": 0 },
+                { "matrix": [0, 13], "x": 14, "y": 0 },
+                { "matrix": [0, 14], "x": 15.25, "y": 0 },
+                { "matrix": [0, 15], "x": 16.25, "y": 0 },
+                { "matrix": [0, 16], "x": 17.25, "y": 0 },
+                { "matrix": [1, 0], "x": 0, "y": 1.25 },
+                { "matrix": [1, 1], "x": 1, "y": 1.25 },
+                { "matrix": [1, 2], "x": 2, "y": 1.25 },
+                { "matrix": [1, 3], "x": 3, "y": 1.25 },
+                { "matrix": [1, 4], "x": 4, "y": 1.25 },
+                { "matrix": [1, 5], "x": 5, "y": 1.25 },
+                { "matrix": [1, 6], "x": 6, "y": 1.25 },
+                { "matrix": [1, 7], "x": 7, "y": 1.25 },
+                { "matrix": [1, 8], "x": 8, "y": 1.25 },
+                { "matrix": [1, 9], "x": 9, "y": 1.25 },
+                { "matrix": [1, 10], "x": 10, "y": 1.25 },
+                { "matrix": [1, 11], "x": 11, "y": 1.25 },
+                { "matrix": [1, 12], "x": 12, "y": 1.25 },
+                { "matrix": [2, 12], "x": 13, "y": 1.25 },
+                { "matrix": [1, 13], "x": 14, "y": 1.25 },
+                { "matrix": [1, 14], "x": 15.25, "y": 1.25 },
+                { "matrix": [1, 15], "x": 16.25, "y": 1.25 },
+                { "matrix": [1, 16], "x": 17.25, "y": 1.25 },
+                { "matrix": [2, 0], "w": 1.5, "x": 0, "y": 2.25 },
+                { "matrix": [2, 1], "x": 1.5, "y": 2.25 },
+                { "matrix": [2, 2], "x": 2.5, "y": 2.25 },
+                { "matrix": [2, 3], "x": 3.5, "y": 2.25 },
+                { "matrix": [2, 4], "x": 4.5, "y": 2.25 },
+                { "matrix": [2, 5], "x": 5.5, "y": 2.25 },
+                { "matrix": [2, 6], "x": 6.5, "y": 2.25 },
+                { "matrix": [2, 7], "x": 7.5, "y": 2.25 },
+                { "matrix": [2, 8], "x": 8.5, "y": 2.25 },
+                { "matrix": [2, 9], "x": 9.5, "y": 2.25 },
+                { "matrix": [2, 10], "x": 10.5, "y": 2.25 },
+                { "matrix": [2, 11], "x": 11.5, "y": 2.25 },
+                { "matrix": [3, 12], "x": 12.5, "y": 2.25 },
+                { "h": 2, "matrix": [2, 13], "w": 1.25, "x": 13.75, "y": 2.25 },
+                { "matrix": [2, 14], "x": 15.25, "y": 2.25 },
+                { "matrix": [2, 15], "x": 16.25, "y": 2.25 },
+                { "matrix": [2, 16], "x": 17.25, "y": 2.25 },
+                { "matrix": [3, 0], "w": 1.75, "x": 0, "y": 3.25 },
+                { "matrix": [3, 1], "x": 1.75, "y": 3.25 },
+                { "matrix": [3, 2], "x": 2.75, "y": 3.25 },
+                { "matrix": [3, 3], "x": 3.75, "y": 3.25 },
+                { "matrix": [3, 4], "x": 4.75, "y": 3.25 },
+                { "matrix": [3, 5], "x": 5.75, "y": 3.25 },
+                { "matrix": [3, 6], "x": 6.75, "y": 3.25 },
+                { "matrix": [3, 7], "x": 7.75, "y": 3.25 },
+                { "matrix": [3, 8], "x": 8.75, "y": 3.25 },
+                { "matrix": [3, 9], "x": 9.75, "y": 3.25 },
+                { "matrix": [3, 10], "x": 10.75, "y": 3.25 },
+                { "matrix": [3, 11], "x": 11.75, "y": 3.25 },
+                { "matrix": [3, 13], "x": 12.75, "y": 3.25 },
+                { "matrix": [4, 0], "w": 1.25, "x": 0, "y": 4.25 },
+                { "matrix": [4, 1], "x": 1.25, "y": 4.25 },
+                { "matrix": [4, 2], "x": 2.25, "y": 4.25 },
+                { "matrix": [4, 3], "x": 3.25, "y": 4.25 },
+                { "matrix": [4, 4], "x": 4.25, "y": 4.25 },
+                { "matrix": [4, 5], "x": 5.25, "y": 4.25 },
+                { "matrix": [4, 6], "x": 6.25, "y": 4.25 },
+                { "matrix": [4, 7], "x": 7.25, "y": 4.25 },
+                { "matrix": [4, 8], "x": 8.25, "y": 4.25 },
+                { "matrix": [4, 9], "x": 9.25, "y": 4.25 },
+                { "matrix": [4, 10], "x": 10.25, "y": 4.25 },
+                { "matrix": [4, 11], "x": 11.25, "y": 4.25 },
+                { "matrix": [4, 12], "w": 1.75, "x": 12.25, "y": 4.25 },
+                { "matrix": [4, 13], "x": 14, "y": 4.25 },
+                { "matrix": [4, 15], "x": 16.25, "y": 4.25 },
+                { "matrix": [5, 0], "w": 1.5, "x": 0, "y": 5.25 },
+                { "matrix": [5, 1], "w": 1, "x": 1.5, "y": 5.25 },
+                { "matrix": [5, 2], "w": 1.5, "x": 2.5, "y": 5.25 },
+                { "matrix": [5, 6], "w": 7, "x": 4, "y": 5.25 },
+                { "matrix": [5, 11], "w": 1.5, "x": 11, "y": 5.25 },
+                { "matrix": [5, 12], "w": 1, "x": 12.5, "y": 5.25 },
+                { "matrix": [5, 13], "w": 1.5, "x": 13.5, "y": 5.25 },
+                { "matrix": [5, 14], "x": 15.25, "y": 5.25 },
+                { "matrix": [5, 15], "x": 16.25, "y": 5.25 },
+                { "matrix": [4, 16], "x": 17.25, "y": 5.25 }
+            ]
+        }
+    }
+}
diff --git a/keyboards/kopibeng/xt87/keymaps/default/keymap.c b/keyboards/kopibeng/xt87/keymaps/default/keymap.c
new file mode 100644
index 0000000000..d963941d80
--- /dev/null
+++ b/keyboards/kopibeng/xt87/keymaps/default/keymap.c
@@ -0,0 +1,41 @@
+/* Copyright 2023 Samuel Lu
+ *
+ * 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
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+	// Default layer
+	[0] = LAYOUT_all(
+		KC_ESC,           KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,           KC_PSCR, KC_SCRL, KC_PAUS,
+		KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_BSPC, KC_INS,  KC_HOME, KC_PGUP,
+		KC_TAB,  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_BSLS,          KC_DEL,  KC_END,  KC_PGDN,
+		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_BSLS, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, MO(2),                     KC_UP,   
+		KC_LCTL, KC_LGUI, KC_LALT,                   KC_SPC,                             KC_RALT, MO(1),   KC_RGUI, KC_RCTL,                   KC_LEFT, KC_DOWN, KC_RGHT
+	),
+
+	// Fn1 Layer
+	[1] = LAYOUT_all(
+		KC_TRNS,          RGB_TOG, RGB_MOD, RGB_HUD, RGB_HUI, RGB_SAD, RGB_SAI, RGB_VAD, RGB_VAI, 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, KC_TRNS, KC_TRNS, KC_TRNS, KC_MPLY, KC_VOLU, 
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, QK_BOOT,   KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,          KC_MPLY, KC_MNXT, KC_VOLD, 
+		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, 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
+	)
+};
+
diff --git a/keyboards/kopibeng/xt87/keymaps/via/keymap.c b/keyboards/kopibeng/xt87/keymaps/via/keymap.c
new file mode 100644
index 0000000000..d963941d80
--- /dev/null
+++ b/keyboards/kopibeng/xt87/keymaps/via/keymap.c
@@ -0,0 +1,41 @@
+/* Copyright 2023 Samuel Lu
+ *
+ * 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
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+	// Default layer
+	[0] = LAYOUT_all(
+		KC_ESC,           KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,           KC_PSCR, KC_SCRL, KC_PAUS,
+		KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_BSPC, KC_INS,  KC_HOME, KC_PGUP,
+		KC_TAB,  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_BSLS,          KC_DEL,  KC_END,  KC_PGDN,
+		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_BSLS, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, MO(2),                     KC_UP,   
+		KC_LCTL, KC_LGUI, KC_LALT,                   KC_SPC,                             KC_RALT, MO(1),   KC_RGUI, KC_RCTL,                   KC_LEFT, KC_DOWN, KC_RGHT
+	),
+
+	// Fn1 Layer
+	[1] = LAYOUT_all(
+		KC_TRNS,          RGB_TOG, RGB_MOD, RGB_HUD, RGB_HUI, RGB_SAD, RGB_SAI, RGB_VAD, RGB_VAI, 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, KC_TRNS, KC_TRNS, KC_TRNS, KC_MPLY, KC_VOLU, 
+		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, QK_BOOT,   KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,          KC_MPLY, KC_MNXT, KC_VOLD, 
+		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, 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
+	)
+};
+
diff --git a/keyboards/kopibeng/xt87/keymaps/via/rules.mk b/keyboards/kopibeng/xt87/keymaps/via/rules.mk
new file mode 100644
index 0000000000..036bd6d1c3
--- /dev/null
+++ b/keyboards/kopibeng/xt87/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
\ No newline at end of file
diff --git a/keyboards/kopibeng/xt87/readme.md b/keyboards/kopibeng/xt87/readme.md
new file mode 100644
index 0000000000..4e6db529b5
--- /dev/null
+++ b/keyboards/kopibeng/xt87/readme.md
@@ -0,0 +1,25 @@
+# XT87
+
+![XT87](https://i.imgur.com/N1QaXPTh.jpg)
+
+A QMK-powered, VIA-enabled F12 TKL PCB with support for ANSI/ISO layout, split Backspace, split Right Shift and 6.25U/7U bottom row. 
+
+* Keyboard Maintainer: [kopibeng](https://github.com/kopibeng)
+* Hardware Supported: A TKL keyboard with STM32F072
+* Hardware Availability: [MONOKEI](https://monokei.co)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make kopibeng/xt87:default
+	
+Flashing example for this keyboard:
+
+	make kopibeng/xt87: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
+
+* Physical reset button: Press the RESET switch on top side of PCB.
+* Bootmagic reset: Unplug keyboard, hold down ESC key and plug in the keyboard.
+* Keycode reset: Press the `QK_BOOT` keycode (default: MO(1) + R keys) in layout if available.
diff --git a/keyboards/kopibeng/xt87/rules.mk b/keyboards/kopibeng/xt87/rules.mk
new file mode 100644
index 0000000000..a92b099328
--- /dev/null
+++ b/keyboards/kopibeng/xt87/rules.mk
@@ -0,0 +1,2 @@
+# Enter lower-power sleep mode when on the ChibiOS idle thread
+OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE