diff --git a/keyboards/handwired/split65/info.json b/keyboards/handwired/split65/info.json
new file mode 100644
index 000000000..543fc9c39
--- /dev/null
+++ b/keyboards/handwired/split65/info.json
@@ -0,0 +1,93 @@
+{
+    "keyboard_name": "split65",
+    "url": "https://github.com/PercyJW-2/Split65",
+    "maintainer": "PercyJW-2",
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"label":"\u00ac", "x":0, "y":0},
+                {"label":"!", "x":1, "y":0},
+                {"label":"\"", "x":2, "y":0},
+                {"label":"\u00a3", "x":3, "y":0},
+                {"label":"$", "x":4, "y":0},
+
+                {"label":"%", "x":5, "y":0},
+                {"label":"^", "x":6, "y":0},
+                {"label":"&", "x":7, "y":0},
+                {"label":"*", "x":8, "y":0},
+                {"label":"(", "x":9, "y":0},
+
+                {"label":")", "x":10, "y":0},
+                {"label":"_", "x":11, "y":0},
+                {"label":"+", "x":12, "y":0},
+                {"label":"Backspace", "x":13, "y":0, "w":2},
+                {"x":15, "y":0},
+
+                {"label":"Tab", "x":0, "y":1, "w":1.5},
+                {"label":"Q", "x":1.5, "y":1},
+                {"label":"W", "x":2.5, "y":1},
+                {"label":"E", "x":3.5, "y":1},
+                {"label":"R", "x":4.5, "y":1},
+
+                {"label":"T", "x":5.5, "y":1},
+                {"label":"Y", "x":6.5, "y":1},
+                {"label":"U", "x":7.5, "y":1},
+                {"label":"I", "x":8.5, "y":1},
+                {"label":"O", "x":9.5, "y":1},
+
+                {"label":"P", "x":10.5, "y":1},
+                {"label":"{", "x":11.5, "y":1},
+                {"label":"}", "x":12.5, "y":1},
+                {"label":"Enter", "x":13.75, "y":1, "w":1.25, "h":2},
+                {"x":15, "y":1},
+
+                {"label":"Caps Lock", "x":0, "y":2, "w":1.75},
+                {"label":"A", "x":1.75, "y":2},
+                {"label":"S", "x":2.75, "y":2},
+                {"label":"D", "x":3.75, "y":2},
+                {"label":"F", "x":4.75, "y":2},
+
+                {"label":"G", "x":5.75, "y":2},
+                {"label":"H", "x":6.75, "y":2},
+                {"label":"J", "x":7.75, "y":2},
+                {"label":"K", "x":8.75, "y":2},
+                {"label":"L", "x":9.75, "y":2},
+
+                {"label":":", "x":10.75, "y":2},
+                {"label":"@", "x":11.75, "y":2},
+                {"label":"~", "x":12.75, "y":2},
+                {"x":15, "y":2},
+                {"label":"Shift", "x":0, "y":3, "w":1.25},
+
+                {"label":"|", "x":1.25, "y":3},
+                {"label":"Z", "x":2.25, "y":3},
+                {"label":"X", "x":3.25, "y":3},
+                {"label":"C", "x":4.25, "y":3},
+                {"label":"V", "x":5.25, "y":3},
+
+                {"label":"B", "x":6.25, "y":3},
+                {"label":"N", "x":7.25, "y":3},
+                {"label":"M", "x":8.25, "y":3},
+                {"label":"<", "x":9.25, "y":3},
+                {"label":">", "x":10.25, "y":3},
+
+                {"label":"?", "x":11.25, "y":3},
+                {"label":"Shift", "x":12.25, "y":3, "w":1.75},
+                {"label":"UP", "x":14, "y":3},
+                {"x":15, "y":3},
+                {"label":"Ctrl", "x":0, "y":4, "w":1.25},
+
+                {"label":"Win", "x":1.25, "y":4, "w":1.25},
+                {"label":"Alt", "x":2.5, "y":4, "w":1.25},
+                {"x":3.75, "y":4, "w":3},
+                {"x":6.75, "y":4, "w":3.25},
+                {"label":"AltGr", "x":10, "y":4},
+
+                {"label":"Win", "x":11, "y":4},
+                {"label":"Menu", "x":12, "y":4},
+                {"label":"LEFT", "x":13, "y":4},
+                {"label":"DOWN", "x":14, "y":4},
+                {"label":"RIGHT", "x":15, "y":4}]
+        }
+    }
+}
diff --git a/keyboards/handwired/split65/keymaps/default/keymap.c b/keyboards/handwired/split65/keymaps/default/keymap.c
new file mode 100644
index 000000000..acb9b679e
--- /dev/null
+++ b/keyboards/handwired/split65/keymaps/default/keymap.c
@@ -0,0 +1,65 @@
+/* Copyright 2020-2021 PercyJW-2 <joris.wachsmuth@gmail.com>
+ *
+ * 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 {
+    _QWERTY,
+    _LOWER,
+    _RAISE,
+    _ADJUST,
+};
+
+#define LOWER  MO(_LOWER)
+#define RAISE  MO(_RAISE)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+    [_QWERTY] = LAYOUT(
+        KC_GESC, 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_INS,
+        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_DEL,
+        KC_LCTL, KC_A,    KC_S, KC_D, KC_F, KC_G,       KC_H, KC_J, KC_K,    KC_L,   KC_SCLN, KC_QUOT, KC_NUHS, KC_ENT, KC_PGUP,
+        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_UP,   KC_PGDN,
+        KC_LCTL, KC_LGUI, KC_LALT,    KC_SPC,               KC_ENT, KC_RALT, LOWER,  RAISE,   KC_LEFT, KC_DOWN, KC_RGHT
+    ),
+
+    [_LOWER] = LAYOUT(
+        _______, 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_UP,   _______, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______,          _______,                            _______, _______, _______, _______, _______, _______, _______
+    ),
+
+    [_RAISE] = LAYOUT(
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______,          _______,                            _______, _______, _______, _______, _______, _______, _______
+    ),
+
+    [_ADJUST] = LAYOUT(
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______,          _______,                            _______, _______, _______, _______, _______, _______, _______
+    )
+};
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+    return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
+}
diff --git a/keyboards/handwired/split65/keymaps/via/keymap.c b/keyboards/handwired/split65/keymaps/via/keymap.c
new file mode 100644
index 000000000..acb9b679e
--- /dev/null
+++ b/keyboards/handwired/split65/keymaps/via/keymap.c
@@ -0,0 +1,65 @@
+/* Copyright 2020-2021 PercyJW-2 <joris.wachsmuth@gmail.com>
+ *
+ * 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 {
+    _QWERTY,
+    _LOWER,
+    _RAISE,
+    _ADJUST,
+};
+
+#define LOWER  MO(_LOWER)
+#define RAISE  MO(_RAISE)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+    [_QWERTY] = LAYOUT(
+        KC_GESC, 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_INS,
+        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_DEL,
+        KC_LCTL, KC_A,    KC_S, KC_D, KC_F, KC_G,       KC_H, KC_J, KC_K,    KC_L,   KC_SCLN, KC_QUOT, KC_NUHS, KC_ENT, KC_PGUP,
+        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_UP,   KC_PGDN,
+        KC_LCTL, KC_LGUI, KC_LALT,    KC_SPC,               KC_ENT, KC_RALT, LOWER,  RAISE,   KC_LEFT, KC_DOWN, KC_RGHT
+    ),
+
+    [_LOWER] = LAYOUT(
+        _______, 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_UP,   _______, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______,          _______,                            _______, _______, _______, _______, _______, _______, _______
+    ),
+
+    [_RAISE] = LAYOUT(
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______,          _______,                            _______, _______, _______, _______, _______, _______, _______
+    ),
+
+    [_ADJUST] = LAYOUT(
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______, _______, _______,          _______,                            _______, _______, _______, _______, _______, _______, _______
+    )
+};
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+    return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
+}
diff --git a/keyboards/handwired/split65/keymaps/via/rules.mk b/keyboards/handwired/split65/keymaps/via/rules.mk
new file mode 100644
index 000000000..1e5b99807
--- /dev/null
+++ b/keyboards/handwired/split65/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
diff --git a/keyboards/handwired/split65/promicro/config.h b/keyboards/handwired/split65/promicro/config.h
new file mode 100644
index 000000000..824dc7640
--- /dev/null
+++ b/keyboards/handwired/split65/promicro/config.h
@@ -0,0 +1,53 @@
+/* Copyright 2020-2021 PercyJW-2 <joris.wachsmuth@gmail.com>
+ *
+ * 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/>.
+ */
+#pragma once
+
+
+#include "config_common.h"
+
+// USB Device descriptor parameter
+#define VENDOR_ID     0x4A57 // JW
+#define PRODUCT_ID    0x0000 // first keeb
+#define DEVICE_VER    0x0000 // first revision
+#define MANUFACTURER  percyjw
+#define PRODUCT       split65
+
+// Matrix Assignments
+#define MATRIX_ROWS 10 //Rows are doubled-up
+#define MATRIX_COLS 8
+
+#define MATRIX_COL_PINS {F4, F5, F6, F7, B1, B3, B2, B6}
+#define MATRIX_ROW_PINS {D4, C6, D7, E6, B4}
+
+// COL2ROW, ROW2COL
+#define DIODE_DIRECTION COL2ROW
+
+#define MATRIX_IO_DELAY 5
+
+// Split Keyboard specifics
+#define SOFT_SERIAL_PIN D3
+#define SELECT_SOFT_SERIAL_SPEED 1
+
+// Debounce to reduce unintended double-presses use 0 if not needed
+#define DEBOUNCE 5
+
+// Feature diable options
+//#define NO_DEBUG
+//#define NO_PRINT
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
+
+#define OLED_DISPLAY_128X64
diff --git a/keyboards/handwired/split65/promicro/promicro.c b/keyboards/handwired/split65/promicro/promicro.c
new file mode 100644
index 000000000..2f7e1ebab
--- /dev/null
+++ b/keyboards/handwired/split65/promicro/promicro.c
@@ -0,0 +1,16 @@
+/* Copyright 2020-2021 PercyJW-2 <joris.wachsmuth@gmail.com>
+ *
+ * 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 "promicro.h"
diff --git a/keyboards/handwired/split65/promicro/promicro.h b/keyboards/handwired/split65/promicro/promicro.h
new file mode 100644
index 000000000..204f0b88d
--- /dev/null
+++ b/keyboards/handwired/split65/promicro/promicro.h
@@ -0,0 +1,38 @@
+/* Copyright 2020-2021 PercyJW-2 <joris.wachsmuth@gmail.com>
+ *
+ * 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/>.
+ */
+#pragma once 
+
+#include "split65.h"
+
+#define LAYOUT( \
+    L00, L01, L02, L03, L04, L05, L06, R07, R06, R05, R04, R03, R02, R01, R00, \
+    L10, L11, L12, L13, L14, L15,      R17, R16, R15, R14, R13, R12, R11, R10, \
+    L20, L21, L22, L23, L24, L25,      R47, R27, R26, R25, R24, R23, R22, R21, R20, \
+    L30, L31, L32, L33, L34, L35, L36, R37, R36, R35, R34, R33, R32, R31, R30, \
+    L40, L41, L42,      L43,                R46, R45, R44, R43, R42, R41, R40 \
+    ) \
+    { \
+        {L00, L01, L02, L03,   L04, L05,   L06,   KC_NO}, \
+        {L10, L11, L12, L13,   L14, L15,   KC_NO, KC_NO}, \
+        {L20, L21, L22, L23,   L24, L25,   KC_NO, KC_NO}, \
+        {L30, L31, L32, L33,   L34, L35,   L36,   KC_NO}, \
+        {L40, L41, L42, KC_NO, L43, KC_NO, KC_NO, KC_NO}, \
+        {R00, R01, R02, R03, R04, R05, R06, R07}, \
+        {R10, R11, R12, R13, R14, R15, R16, R17}, \
+        {R20, R21, R22, R23, R24, R25, R26, R27}, \
+        {R30, R31, R32, R33, R34, R35, R36, R37}, \
+        {R40, R41, R42, R43, R44, R45, R46, R47} \
+    }
diff --git a/keyboards/handwired/split65/promicro/rules.mk b/keyboards/handwired/split65/promicro/rules.mk
new file mode 100644
index 000000000..bb95fcf67
--- /dev/null
+++ b/keyboards/handwired/split65/promicro/rules.mk
@@ -0,0 +1,23 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = caterina
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = no        # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no            # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+OLED_ENABLE = yes
+SPLIT_KEYBOARD = yes
diff --git a/keyboards/handwired/split65/readme.md b/keyboards/handwired/split65/readme.md
new file mode 100644
index 000000000..39dda3c3a
--- /dev/null
+++ b/keyboards/handwired/split65/readme.md
@@ -0,0 +1,25 @@
+# Split65
+
+An split 65% keyboard with two OLEDs
+
+* Keyboard Maintainer: [Percy-JW2](https://github.com/PercyJW-2)
+* Hardware Supported: ProMicro and compatibles, Proton C
+* Hardware Availability: [Repository](https://github.com/PercyJW-2/Split65)
+
+Make example for this keyboard with an ProMicro:
+
+    make handwired/split65/promicro:default
+    
+Make example for this keyboard with an Proton C:
+
+    make handwired/split65/stm32:default
+    
+Example for flashing this keyboard with an ProMicro
+
+    make handwired/split65/promicro:default:flash
+
+Example for flashing this keyboard with an Proton C
+
+    make handwired/split65/stm32: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).
diff --git a/keyboards/handwired/split65/split65.c b/keyboards/handwired/split65/split65.c
new file mode 100644
index 000000000..3b1dcadda
--- /dev/null
+++ b/keyboards/handwired/split65/split65.c
@@ -0,0 +1,130 @@
+/* Copyright 2020-2021 PercyJW-2 <joris.wachsmuth@gmail.com>
+ *
+ * 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 "split65.h"
+
+// OLED Code inspired by https://github.com/qmk/qmk_firmware/blob/master/keyboards/splitkb/kyria/rev1/rev1.c
+
+#ifdef OLED_ENABLE
+__attribute__((weak)) oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+	return OLED_ROTATION_180;
+}
+
+__attribute__((weak)) void oled_task_user(void) {
+    if (is_keyboard_master()) {
+        static const char PROGMEM qmk_logo[] = {
+            0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,0x90,0x91,0x92,0x93,0x94,
+            0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf,0xb0,0xb1,0xb2,0xb3,0xb4,
+            0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xce,0xcf,0xd0,0xd1,0xd2,0xd3,0xd4,0};
+
+        oled_write_P(qmk_logo, false);
+
+        oled_write_P(PSTR("Split65\n\n"), false);
+
+        // Host Keyboard Layer Status
+        oled_write_P(PSTR("Layer: "), false);
+        switch (get_highest_layer(layer_state)) {
+            case 0:
+                oled_write_P(PSTR("Default\n"), false);
+                break;
+            case 1:
+                oled_write_P(PSTR("Lower\n"), false);
+                break;
+            case 2:
+                oled_write_P(PSTR("Raise\n"), false);
+                break;
+            case 3:
+                oled_write_P(PSTR("Adjust\n"), false);
+                break;
+            default:
+                oled_write_P(PSTR("Undefined\n"), false);
+        }
+
+        // Host Keyboard LED Status
+        led_t led_state = host_keyboard_led_state();
+        oled_write_P(led_state.num_lock ? PSTR("NUMLCK ") : PSTR("       "), false);
+        oled_write_P(led_state.caps_lock ? PSTR("CAPLCK ") : PSTR("       "), false);
+        oled_write_P(led_state.scroll_lock ? PSTR("SCRLCK ") : PSTR("       "), false);
+    } else {
+        static const char PROGMEM split65_logo[] = {
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80,
+            0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xfe, 0xff, 0xff, 0xef, 0xc7, 0xc7, 0x87,
+            0x87, 0x87, 0x87, 0x07, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07,
+            0x07, 0x07, 0x07, 0x07, 0xdf, 0xff, 0xfe, 0xfe, 0xfc, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
+            0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
+            0xff, 0x00, 0x00, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x07,
+            0x07, 0x07, 0x07, 0x07, 0x00, 0x00, 0xf0, 0xfc, 0xfe, 0xfe, 0x9f, 0xcf, 0xc7, 0xc7, 0xc3, 0xc3,
+            0xc7, 0x87, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xef, 0xc7, 0xc7, 0xc7, 0xc7,
+            0xc7, 0xc7, 0x87, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0xc1, 0x81, 0x81,
+            0x81, 0x01, 0x05, 0x0d, 0x0d, 0x0c, 0x9c, 0xfc, 0xfc, 0xfc, 0xf9, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0xf9, 0xf9, 0xf9, 0xf9, 0x19, 0x19, 0x19, 0x19, 0x1d, 0x0c, 0x0c, 0x0c, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0xf8, 0xfc, 0xfc, 0xfc, 0xfc, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x81, 0x81, 0x01, 0x01,
+            0x01, 0xf8, 0xfc, 0xfc, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0xf8, 0xfc,
+            0xfc, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7d, 0xfd, 0xfd, 0xf9, 0xfd,
+            0x01, 0x01, 0x01, 0x00, 0x88, 0xfc, 0xfc, 0xfc, 0xf9, 0x01, 0x01, 0x01, 0x81, 0x81, 0x81, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x80, 0xfc, 0xfc, 0xfc, 0xfc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x07,
+            0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x07, 0x07, 0x07, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x03, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x00, 0x00,
+            0x00, 0x03, 0x07, 0x07, 0x07, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x07,
+            0x07, 0x07, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x07,
+            0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x03, 0x07, 0x07, 0x07,
+            0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+        };
+        oled_write_raw_P(split65_logo, sizeof(split65_logo));
+    }
+}
+#endif
diff --git a/keyboards/handwired/split65/split65.h b/keyboards/handwired/split65/split65.h
new file mode 100644
index 000000000..7f60ab0bd
--- /dev/null
+++ b/keyboards/handwired/split65/split65.h
@@ -0,0 +1,24 @@
+/* Copyright 2020-2021 PercyJW-2 <joris.wachsmuth@gmail.com>
+ *
+ * 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/>.
+ */
+#pragma once
+
+#include "quantum.h"
+
+#if defined(KEYBOARD_handwired_split65_stm32)
+    #include "stm32.h"
+#elif defined(KEYBOARD_handwired_split65_promicro)
+    #include "promicro.h"
+#endif
diff --git a/keyboards/handwired/split65/stm32/config.h b/keyboards/handwired/split65/stm32/config.h
new file mode 100644
index 000000000..28df96442
--- /dev/null
+++ b/keyboards/handwired/split65/stm32/config.h
@@ -0,0 +1,60 @@
+/* Copyright 2020-2021 PercyJW-2 <joris.wachsmuth@gmail.com>
+ *
+ * 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/>.
+ */
+#pragma once
+
+#include "config_common.h"
+
+// USB Device descriptor parameter
+#define VENDOR_ID     0x4A57 // JW
+#define PRODUCT_ID    0x0000 // first keeb
+#define DEVICE_VER    0x0000 // first revision
+#define MANUFACTURER  percyjw
+#define PRODUCT       split65
+
+// Audio
+#define AUDIO_PIN A5
+#define AUDIO_PIN_ALT A4
+#define AUDIO_PIN_ALT_AS_NEGATIVE
+
+// Matrix Assignments
+#define MATRIX_ROWS 10 //Rows are doubled-up
+#define MATRIX_COLS 8
+
+#define MATRIX_COL_PINS {A2, A1, A0, B8, B13, B14, B15, B9}
+#define MATRIX_ROW_PINS {B5, B4, B3, B2, B1}
+
+// COL2ROW, ROW2COL
+#define DIODE_DIRECTION COL2ROW
+
+#define MATRIX_IO_DELAY 5
+
+// Split Keyboard specifics
+#define SOFT_SERIAL_PIN A9
+#define SELECT_SOFT_SERIAL_SPEED 1
+#define SERIAL_USART_DRIVER SD1
+#define SERIAL_USART_TX_PAL_MODE 7
+#define SERIAL_USART_TIMEOUT 100
+
+// Debounce to reduce unintended double-presses use 0 if not needed
+#define DEBOUNCE 5
+
+// Feature diable options
+//#define NO_DEBUG
+//#define NO_PRINT
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
+
+#define OLED_DISPLAY_128X64
diff --git a/keyboards/handwired/split65/stm32/halconf.h b/keyboards/handwired/split65/stm32/halconf.h
new file mode 100644
index 000000000..f3bfd154d
--- /dev/null
+++ b/keyboards/handwired/split65/stm32/halconf.h
@@ -0,0 +1,21 @@
+/* Copyright 2020 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/>.
+ */
+
+#pragma once
+
+#define HAL_USE_SERIAL TRUE
+
+#include_next <halconf.h>
diff --git a/keyboards/handwired/split65/stm32/rules.mk b/keyboards/handwired/split65/stm32/rules.mk
new file mode 100644
index 000000000..cb54c352f
--- /dev/null
+++ b/keyboards/handwired/split65/stm32/rules.mk
@@ -0,0 +1,25 @@
+# MCU name
+MCU = STM32F303
+BOARD = QMK_PROTON_C
+
+# Bootloader selection
+BOOTLOADER = stm32-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = no        # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no            # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = yes          # Audio output
+OLED_ENABLE = yes
+SPLIT_KEYBOARD = yes
+SERIAL_DRIVER = usart
diff --git a/keyboards/handwired/split65/stm32/stm32.c b/keyboards/handwired/split65/stm32/stm32.c
new file mode 100644
index 000000000..2fa511206
--- /dev/null
+++ b/keyboards/handwired/split65/stm32/stm32.c
@@ -0,0 +1,16 @@
+/* Copyright 2020-2021 PercyJW-2 <joris.wachsmuth@gmail.com>
+ *
+ * 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 "stm32.h"
diff --git a/keyboards/handwired/split65/stm32/stm32.h b/keyboards/handwired/split65/stm32/stm32.h
new file mode 100644
index 000000000..27f03b3e2
--- /dev/null
+++ b/keyboards/handwired/split65/stm32/stm32.h
@@ -0,0 +1,38 @@
+/* Copyright 2020-2021 PercyJW-2 <joris.wachsmuth@gmail.com>
+ *
+ * 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/>.
+ */
+#pragma once
+
+#include "split65.h"
+
+#define LAYOUT( \
+    L00, L01, L02, L03, L04, L05, L06, R07, R06, R05, R04, R03, R02, R01, R00, \
+    L10, L11, L12, L13, L14, L15,      R17, R16, R15, R14, R13, R12, R11, R10, \
+    L20, L21, L22, L23, L24, L25,      R47, R27, R26, R25, R24, R23, R22, R21, R20, \
+    L30, L31, L32, L33, L34, L35, L36, R37, R36, R35, R34, R33, R32, R31, R30, \
+    L40, L41, L42,      L43,                R46, R45, R44, R43, R42, R41, R40 \
+    ) \
+    { \
+        {L00, L01, L02, L03,   L04, L05,   L06,   KC_NO}, \
+        {L10, L11, L12, L13,   L14, L15,   KC_NO, KC_NO}, \
+        {L20, L21, L22, L23,   L24, L25,   KC_NO, KC_NO}, \
+        {L30, L31, L32, L33,   L34, L35,   L36,   KC_NO}, \
+        {L40, L41, L42, KC_NO, L43, KC_NO, KC_NO, KC_NO}, \
+        {R00, R01, R02, R03, R04, R05, R06, R07}, \
+        {R10, R11, R12, R13, R14, R15, R16, R17}, \
+        {R20, R21, R22, R23, R24, R25, R26, R27}, \
+        {R30, R31, R32, R33, R34, R35, R36, R37}, \
+        {R40, R41, R42, R43, R44, R45, R46, R47} \
+    }